Home / 9,002.40-13,503.61-2,428.59

Finding the Fourth Proportional to 9,002.40, 13,503.61 and 2,428.59

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Solution

The fourth proportional to 9,002.40, 13,503.61 and 2,428.59 is: 3,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.40 : 13,503.61 = 2,428.59 : x
  2. Step 2: Convert to fraction form
    9,002.40/13,503.61 = 2,428.59/x
  3. Step 3: Cross multiply
    9,002.40x = 13,503.61 × 2,428.59
  4. Step 4: Simplify right side
    9,002.40x = 32,794,760.56
  5. Step 5: Solve for x
    x = 32,794,760.56/9,002.40
  6. Step 6: Final answer
    x = 3,642.89

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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.