Home / 8,757.16-12,084.96-4,778.32

Finding the Fourth Proportional to 8,757.16, 12,084.96 and 4,778.32

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Solution

The fourth proportional to 8,757.16, 12,084.96 and 4,778.32 is: 6,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.16 : 12,084.96 = 4,778.32 : x
  2. Step 2: Convert to fraction form
    8,757.16/12,084.96 = 4,778.32/x
  3. Step 3: Cross multiply
    8,757.16x = 12,084.96 × 4,778.32
  4. Step 4: Simplify right side
    8,757.16x = 57,745,806.07
  5. Step 5: Solve for x
    x = 57,745,806.07/8,757.16
  6. Step 6: Final answer
    x = 6,594.12

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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.