Home / 9,187.12-12,677.61-5,410.90

Finding the Fourth Proportional to 9,187.12, 12,677.61 and 5,410.90

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Solution

The fourth proportional to 9,187.12, 12,677.61 and 5,410.90 is: 7,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.12 : 12,677.61 = 5,410.90 : x
  2. Step 2: Convert to fraction form
    9,187.12/12,677.61 = 5,410.90/x
  3. Step 3: Cross multiply
    9,187.12x = 12,677.61 × 5,410.90
  4. Step 4: Simplify right side
    9,187.12x = 68,597,279.95
  5. Step 5: Solve for x
    x = 68,597,279.95/9,187.12
  6. Step 6: Final answer
    x = 7,466.68

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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.