Home / 6,428.61-9,643.50-2,532.12

Finding the Fourth Proportional to 6,428.61, 9,643.50 and 2,532.12

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Solution

The fourth proportional to 6,428.61, 9,643.50 and 2,532.12 is: 3,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.61 : 9,643.50 = 2,532.12 : x
  2. Step 2: Convert to fraction form
    6,428.61/9,643.50 = 2,532.12/x
  3. Step 3: Cross multiply
    6,428.61x = 9,643.50 × 2,532.12
  4. Step 4: Simplify right side
    6,428.61x = 24,418,499.22
  5. Step 5: Solve for x
    x = 24,418,499.22/6,428.61
  6. Step 6: Final answer
    x = 3,798.41

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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.