Home / 8,330.13-12,489.02-5,042.45

Finding the Fourth Proportional to 8,330.13, 12,489.02 and 5,042.45

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Solution

The fourth proportional to 8,330.13, 12,489.02 and 5,042.45 is: 7,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.13 : 12,489.02 = 5,042.45 : x
  2. Step 2: Convert to fraction form
    8,330.13/12,489.02 = 5,042.45/x
  3. Step 3: Cross multiply
    8,330.13x = 12,489.02 × 5,042.45
  4. Step 4: Simplify right side
    8,330.13x = 62,975,209.06
  5. Step 5: Solve for x
    x = 62,975,209.06/8,330.13
  6. Step 6: Final answer
    x = 7,559.93

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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.