Home / 9,320.92-13,980.22-3,079.43

Finding the Fourth Proportional to 9,320.92, 13,980.22 and 3,079.43

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Solution

The fourth proportional to 9,320.92, 13,980.22 and 3,079.43 is: 4,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.92 : 13,980.22 = 3,079.43 : x
  2. Step 2: Convert to fraction form
    9,320.92/13,980.22 = 3,079.43/x
  3. Step 3: Cross multiply
    9,320.92x = 13,980.22 × 3,079.43
  4. Step 4: Simplify right side
    9,320.92x = 43,051,053.04
  5. Step 5: Solve for x
    x = 43,051,053.04/9,320.92
  6. Step 6: Final answer
    x = 4,618.75

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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.