Home / 8,930.18-13,393.35-5,638.88

Finding the Fourth Proportional to 8,930.18, 13,393.35 and 5,638.88

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Solution

The fourth proportional to 8,930.18, 13,393.35 and 5,638.88 is: 8,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.18 : 13,393.35 = 5,638.88 : x
  2. Step 2: Convert to fraction form
    8,930.18/13,393.35 = 5,638.88/x
  3. Step 3: Cross multiply
    8,930.18x = 13,393.35 × 5,638.88
  4. Step 4: Simplify right side
    8,930.18x = 75,523,493.45
  5. Step 5: Solve for x
    x = 75,523,493.45/8,930.18
  6. Step 6: Final answer
    x = 8,457.11

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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.