Home / 7,108.32-10,657.92-2,951.20

Finding the Fourth Proportional to 7,108.32, 10,657.92 and 2,951.20

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Solution

The fourth proportional to 7,108.32, 10,657.92 and 2,951.20 is: 4,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.32 : 10,657.92 = 2,951.20 : x
  2. Step 2: Convert to fraction form
    7,108.32/10,657.92 = 2,951.20/x
  3. Step 3: Cross multiply
    7,108.32x = 10,657.92 × 2,951.20
  4. Step 4: Simplify right side
    7,108.32x = 31,453,677.89
  5. Step 5: Solve for x
    x = 31,453,677.89/7,108.32
  6. Step 6: Final answer
    x = 4,424.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.