Home / 7,385.88-10,191.03-6,265.08

Finding the Fourth Proportional to 7,385.88, 10,191.03 and 6,265.08

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Solution

The fourth proportional to 7,385.88, 10,191.03 and 6,265.08 is: 8,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.88 : 10,191.03 = 6,265.08 : x
  2. Step 2: Convert to fraction form
    7,385.88/10,191.03 = 6,265.08/x
  3. Step 3: Cross multiply
    7,385.88x = 10,191.03 × 6,265.08
  4. Step 4: Simplify right side
    7,385.88x = 63,847,618.23
  5. Step 5: Solve for x
    x = 63,847,618.23/7,385.88
  6. Step 6: Final answer
    x = 8,644.55

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.