Home / 9,130.92-12,600.68-4,939.17

Finding the Fourth Proportional to 9,130.92, 12,600.68 and 4,939.17

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Solution

The fourth proportional to 9,130.92, 12,600.68 and 4,939.17 is: 6,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.92 : 12,600.68 = 4,939.17 : x
  2. Step 2: Convert to fraction form
    9,130.92/12,600.68 = 4,939.17/x
  3. Step 3: Cross multiply
    9,130.92x = 12,600.68 × 4,939.17
  4. Step 4: Simplify right side
    9,130.92x = 62,236,900.64
  5. Step 5: Solve for x
    x = 62,236,900.64/9,130.92
  6. Step 6: Final answer
    x = 6,816.06

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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.