Home / 7,417.17-11,108.07-4,290.57

Finding the Fourth Proportional to 7,417.17, 11,108.07 and 4,290.57

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Solution

The fourth proportional to 7,417.17, 11,108.07 and 4,290.57 is: 6,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.17 : 11,108.07 = 4,290.57 : x
  2. Step 2: Convert to fraction form
    7,417.17/11,108.07 = 4,290.57/x
  3. Step 3: Cross multiply
    7,417.17x = 11,108.07 × 4,290.57
  4. Step 4: Simplify right side
    7,417.17x = 47,659,951.90
  5. Step 5: Solve for x
    x = 47,659,951.90/7,417.17
  6. Step 6: Final answer
    x = 6,425.62

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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.