Home / 8,888.16-13,312.80-5,414.88

Finding the Fourth Proportional to 8,888.16, 13,312.80 and 5,414.88

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Solution

The fourth proportional to 8,888.16, 13,312.80 and 5,414.88 is: 8,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.16 : 13,312.80 = 5,414.88 : x
  2. Step 2: Convert to fraction form
    8,888.16/13,312.80 = 5,414.88/x
  3. Step 3: Cross multiply
    8,888.16x = 13,312.80 × 5,414.88
  4. Step 4: Simplify right side
    8,888.16x = 72,087,214.46
  5. Step 5: Solve for x
    x = 72,087,214.46/8,888.16
  6. Step 6: Final answer
    x = 8,110.48

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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.