Home / 4,221.84-6,332.76-1,143.84

Finding the Fourth Proportional to 4,221.84, 6,332.76 and 1,143.84

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Solution

The fourth proportional to 4,221.84, 6,332.76 and 1,143.84 is: 1,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.84 : 6,332.76 = 1,143.84 : x
  2. Step 2: Convert to fraction form
    4,221.84/6,332.76 = 1,143.84/x
  3. Step 3: Cross multiply
    4,221.84x = 6,332.76 × 1,143.84
  4. Step 4: Simplify right side
    4,221.84x = 7,243,664.20
  5. Step 5: Solve for x
    x = 7,243,664.20/4,221.84
  6. Step 6: Final answer
    x = 1,715.76

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.