Home / 7,752.30-11,628.28-2,487.10

Finding the Fourth Proportional to 7,752.30, 11,628.28 and 2,487.10

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Solution

The fourth proportional to 7,752.30, 11,628.28 and 2,487.10 is: 3,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.30 : 11,628.28 = 2,487.10 : x
  2. Step 2: Convert to fraction form
    7,752.30/11,628.28 = 2,487.10/x
  3. Step 3: Cross multiply
    7,752.30x = 11,628.28 × 2,487.10
  4. Step 4: Simplify right side
    7,752.30x = 28,920,695.19
  5. Step 5: Solve for x
    x = 28,920,695.19/7,752.30
  6. Step 6: Final answer
    x = 3,730.60

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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.