Home / 7,350.86-10,147.56-4,701.90

Finding the Fourth Proportional to 7,350.86, 10,147.56 and 4,701.90

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Solution

The fourth proportional to 7,350.86, 10,147.56 and 4,701.90 is: 6,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.86 : 10,147.56 = 4,701.90 : x
  2. Step 2: Convert to fraction form
    7,350.86/10,147.56 = 4,701.90/x
  3. Step 3: Cross multiply
    7,350.86x = 10,147.56 × 4,701.90
  4. Step 4: Simplify right side
    7,350.86x = 47,712,812.36
  5. Step 5: Solve for x
    x = 47,712,812.36/7,350.86
  6. Step 6: Final answer
    x = 6,490.78

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Half 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.