Home / 4,137.50-6,206.25-1,215.74

Finding the Fourth Proportional to 4,137.50, 6,206.25 and 1,215.74

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Solution

The fourth proportional to 4,137.50, 6,206.25 and 1,215.74 is: 1,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.50 : 6,206.25 = 1,215.74 : x
  2. Step 2: Convert to fraction form
    4,137.50/6,206.25 = 1,215.74/x
  3. Step 3: Cross multiply
    4,137.50x = 6,206.25 × 1,215.74
  4. Step 4: Simplify right side
    4,137.50x = 7,545,186.38
  5. Step 5: Solve for x
    x = 7,545,186.38/4,137.50
  6. Step 6: Final answer
    x = 1,823.61

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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.