Home / 6,001.30-9,002.40-1,618.78

Finding the Fourth Proportional to 6,001.30, 9,002.40 and 1,618.78

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Solution

The fourth proportional to 6,001.30, 9,002.40 and 1,618.78 is: 2,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,001.30 : 9,002.40 = 1,618.78 : x
  2. Step 2: Convert to fraction form
    6,001.30/9,002.40 = 1,618.78/x
  3. Step 3: Cross multiply
    6,001.30x = 9,002.40 × 1,618.78
  4. Step 4: Simplify right side
    6,001.30x = 14,572,905.07
  5. Step 5: Solve for x
    x = 14,572,905.07/6,001.30
  6. Step 6: Final answer
    x = 2,428.29

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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.