Home / 9,098.09-12,555.61-5,119.35

Finding the Fourth Proportional to 9,098.09, 12,555.61 and 5,119.35

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Solution

The fourth proportional to 9,098.09, 12,555.61 and 5,119.35 is: 7,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.09 : 12,555.61 = 5,119.35 : x
  2. Step 2: Convert to fraction form
    9,098.09/12,555.61 = 5,119.35/x
  3. Step 3: Cross multiply
    9,098.09x = 12,555.61 × 5,119.35
  4. Step 4: Simplify right side
    9,098.09x = 64,276,505.67
  5. Step 5: Solve for x
    x = 64,276,505.67/9,098.09
  6. Step 6: Final answer
    x = 7,064.83

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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.