Home / 8,788.32-12,126.96-5,011.20

Finding the Fourth Proportional to 8,788.32, 12,126.96 and 5,011.20

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Solution

The fourth proportional to 8,788.32, 12,126.96 and 5,011.20 is: 6,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.32 : 12,126.96 = 5,011.20 : x
  2. Step 2: Convert to fraction form
    8,788.32/12,126.96 = 5,011.20/x
  3. Step 3: Cross multiply
    8,788.32x = 12,126.96 × 5,011.20
  4. Step 4: Simplify right side
    8,788.32x = 60,770,621.95
  5. Step 5: Solve for x
    x = 60,770,621.95/8,788.32
  6. Step 6: Final answer
    x = 6,914.93

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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.