Home / 7,401.56-11,084.65-4,272.08

Finding the Fourth Proportional to 7,401.56, 11,084.65 and 4,272.08

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Solution

The fourth proportional to 7,401.56, 11,084.65 and 4,272.08 is: 6,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.56 : 11,084.65 = 4,272.08 : x
  2. Step 2: Convert to fraction form
    7,401.56/11,084.65 = 4,272.08/x
  3. Step 3: Cross multiply
    7,401.56x = 11,084.65 × 4,272.08
  4. Step 4: Simplify right side
    7,401.56x = 47,354,445.47
  5. Step 5: Solve for x
    x = 47,354,445.47/7,401.56
  6. Step 6: Final answer
    x = 6,397.90

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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.