Home / 8,752.47-13,131.38-5,246.38

Finding the Fourth Proportional to 8,752.47, 13,131.38 and 5,246.38

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Solution

The fourth proportional to 8,752.47, 13,131.38 and 5,246.38 is: 7,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.47 : 13,131.38 = 5,246.38 : x
  2. Step 2: Convert to fraction form
    8,752.47/13,131.38 = 5,246.38/x
  3. Step 3: Cross multiply
    8,752.47x = 13,131.38 × 5,246.38
  4. Step 4: Simplify right side
    8,752.47x = 68,892,209.40
  5. Step 5: Solve for x
    x = 68,892,209.40/8,752.47
  6. Step 6: Final answer
    x = 7,871.17

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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.