Home / 4,238.66-6,358.06-1,118.99

Finding the Fourth Proportional to 4,238.66, 6,358.06 and 1,118.99

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Solution

The fourth proportional to 4,238.66, 6,358.06 and 1,118.99 is: 1,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.66 : 6,358.06 = 1,118.99 : x
  2. Step 2: Convert to fraction form
    4,238.66/6,358.06 = 1,118.99/x
  3. Step 3: Cross multiply
    4,238.66x = 6,358.06 × 1,118.99
  4. Step 4: Simplify right side
    4,238.66x = 7,114,587.09
  5. Step 5: Solve for x
    x = 7,114,587.09/4,238.66
  6. Step 6: Final answer
    x = 1,678.50

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.