Home / 4,261.02-6,391.55-1,487.68

Finding the Fourth Proportional to 4,261.02, 6,391.55 and 1,487.68

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Solution

The fourth proportional to 4,261.02, 6,391.55 and 1,487.68 is: 2,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.02 : 6,391.55 = 1,487.68 : x
  2. Step 2: Convert to fraction form
    4,261.02/6,391.55 = 1,487.68/x
  3. Step 3: Cross multiply
    4,261.02x = 6,391.55 × 1,487.68
  4. Step 4: Simplify right side
    4,261.02x = 9,508,581.10
  5. Step 5: Solve for x
    x = 9,508,581.10/4,261.02
  6. Step 6: Final answer
    x = 2,231.53

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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.