Home / 6,432.39-9,643.55-2,539.71

Finding the Fourth Proportional to 6,432.39, 9,643.55 and 2,539.71

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Solution

The fourth proportional to 6,432.39, 9,643.55 and 2,539.71 is: 3,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.39 : 9,643.55 = 2,539.71 : x
  2. Step 2: Convert to fraction form
    6,432.39/9,643.55 = 2,539.71/x
  3. Step 3: Cross multiply
    6,432.39x = 9,643.55 × 2,539.71
  4. Step 4: Simplify right side
    6,432.39x = 24,491,858.12
  5. Step 5: Solve for x
    x = 24,491,858.12/6,432.39
  6. Step 6: Final answer
    x = 3,807.58

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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.