Home / 7,397.70-11,104.65-4,117.20

Finding the Fourth Proportional to 7,397.70, 11,104.65 and 4,117.20

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Solution

The fourth proportional to 7,397.70, 11,104.65 and 4,117.20 is: 6,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.70 : 11,104.65 = 4,117.20 : x
  2. Step 2: Convert to fraction form
    7,397.70/11,104.65 = 4,117.20/x
  3. Step 3: Cross multiply
    7,397.70x = 11,104.65 × 4,117.20
  4. Step 4: Simplify right side
    7,397.70x = 45,720,064.98
  5. Step 5: Solve for x
    x = 45,720,064.98/7,397.70
  6. Step 6: Final answer
    x = 6,180.31

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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.