Home / 7,490.28-10,344.42-4,697.32

Finding the Fourth Proportional to 7,490.28, 10,344.42 and 4,697.32

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Solution

The fourth proportional to 7,490.28, 10,344.42 and 4,697.32 is: 6,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.28 : 10,344.42 = 4,697.32 : x
  2. Step 2: Convert to fraction form
    7,490.28/10,344.42 = 4,697.32/x
  3. Step 3: Cross multiply
    7,490.28x = 10,344.42 × 4,697.32
  4. Step 4: Simplify right side
    7,490.28x = 48,591,050.95
  5. Step 5: Solve for x
    x = 48,591,050.95/7,490.28
  6. Step 6: Final answer
    x = 6,487.21

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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.