Home / 7,411.90-10,217.79-4,577.38

Finding the Fourth Proportional to 7,411.90, 10,217.79 and 4,577.38

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Solution

The fourth proportional to 7,411.90, 10,217.79 and 4,577.38 is: 6,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.90 : 10,217.79 = 4,577.38 : x
  2. Step 2: Convert to fraction form
    7,411.90/10,217.79 = 4,577.38/x
  3. Step 3: Cross multiply
    7,411.90x = 10,217.79 × 4,577.38
  4. Step 4: Simplify right side
    7,411.90x = 46,770,707.59
  5. Step 5: Solve for x
    x = 46,770,707.59/7,411.90
  6. Step 6: Final answer
    x = 6,310.22

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Half scale
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Double scale
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Similar ratio
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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.