Home / 7,445.30-11,167.59-2,515.14

Finding the Fourth Proportional to 7,445.30, 11,167.59 and 2,515.14

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Solution

The fourth proportional to 7,445.30, 11,167.59 and 2,515.14 is: 3,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.30 : 11,167.59 = 2,515.14 : x
  2. Step 2: Convert to fraction form
    7,445.30/11,167.59 = 2,515.14/x
  3. Step 3: Cross multiply
    7,445.30x = 11,167.59 × 2,515.14
  4. Step 4: Simplify right side
    7,445.30x = 28,088,052.31
  5. Step 5: Solve for x
    x = 28,088,052.31/7,445.30
  6. Step 6: Final answer
    x = 3,772.59

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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.