Home / 9,002.19-13,503.30-2,428.20

Finding the Fourth Proportional to 9,002.19, 13,503.30 and 2,428.20

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Solution

The fourth proportional to 9,002.19, 13,503.30 and 2,428.20 is: 3,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.19 : 13,503.30 = 2,428.20 : x
  2. Step 2: Convert to fraction form
    9,002.19/13,503.30 = 2,428.20/x
  3. Step 3: Cross multiply
    9,002.19x = 13,503.30 × 2,428.20
  4. Step 4: Simplify right side
    9,002.19x = 32,788,713.06
  5. Step 5: Solve for x
    x = 32,788,713.06/9,002.19
  6. Step 6: Final answer
    x = 3,642.30

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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.