Home / 7,320.96-10,098.59-4,489.61

Finding the Fourth Proportional to 7,320.96, 10,098.59 and 4,489.61

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Solution

The fourth proportional to 7,320.96, 10,098.59 and 4,489.61 is: 6,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.96 : 10,098.59 = 4,489.61 : x
  2. Step 2: Convert to fraction form
    7,320.96/10,098.59 = 4,489.61/x
  3. Step 3: Cross multiply
    7,320.96x = 10,098.59 × 4,489.61
  4. Step 4: Simplify right side
    7,320.96x = 45,338,657.71
  5. Step 5: Solve for x
    x = 45,338,657.71/7,320.96
  6. Step 6: Final answer
    x = 6,192.99

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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.