Home / 9,164.70-12,647.30-4,972.96

Finding the Fourth Proportional to 9,164.70, 12,647.30 and 4,972.96

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Solution

The fourth proportional to 9,164.70, 12,647.30 and 4,972.96 is: 6,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.70 : 12,647.30 = 4,972.96 : x
  2. Step 2: Convert to fraction form
    9,164.70/12,647.30 = 4,972.96/x
  3. Step 3: Cross multiply
    9,164.70x = 12,647.30 × 4,972.96
  4. Step 4: Simplify right side
    9,164.70x = 62,894,517.01
  5. Step 5: Solve for x
    x = 62,894,517.01/9,164.70
  6. Step 6: Final answer
    x = 6,862.69

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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.