Home / 7,501.28-10,327.50-6,172.61

Finding the Fourth Proportional to 7,501.28, 10,327.50 and 6,172.61

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Solution

The fourth proportional to 7,501.28, 10,327.50 and 6,172.61 is: 8,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.28 : 10,327.50 = 6,172.61 : x
  2. Step 2: Convert to fraction form
    7,501.28/10,327.50 = 6,172.61/x
  3. Step 3: Cross multiply
    7,501.28x = 10,327.50 × 6,172.61
  4. Step 4: Simplify right side
    7,501.28x = 63,747,578.14
  5. Step 5: Solve for x
    x = 63,747,578.14/7,501.28
  6. Step 6: Final answer
    x = 8,498.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.