Home / 5,429.59-8,140.47-3,670.24

Finding the Fourth Proportional to 5,429.59, 8,140.47 and 3,670.24

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Solution

The fourth proportional to 5,429.59, 8,140.47 and 3,670.24 is: 5,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.59 : 8,140.47 = 3,670.24 : x
  2. Step 2: Convert to fraction form
    5,429.59/8,140.47 = 3,670.24/x
  3. Step 3: Cross multiply
    5,429.59x = 8,140.47 × 3,670.24
  4. Step 4: Simplify right side
    5,429.59x = 29,877,478.61
  5. Step 5: Solve for x
    x = 29,877,478.61/5,429.59
  6. Step 6: Final answer
    x = 5,502.71

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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.