Home / 7,454.28-10,288.20-4,312.32

Finding the Fourth Proportional to 7,454.28, 10,288.20 and 4,312.32

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Solution

The fourth proportional to 7,454.28, 10,288.20 and 4,312.32 is: 5,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.28 : 10,288.20 = 4,312.32 : x
  2. Step 2: Convert to fraction form
    7,454.28/10,288.20 = 4,312.32/x
  3. Step 3: Cross multiply
    7,454.28x = 10,288.20 × 4,312.32
  4. Step 4: Simplify right side
    7,454.28x = 44,366,010.62
  5. Step 5: Solve for x
    x = 44,366,010.62/7,454.28
  6. Step 6: Final answer
    x = 5,951.75

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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.