Home / 9,164.80-12,647.19-4,972.96

Finding the Fourth Proportional to 9,164.80, 12,647.19 and 4,972.96

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Solution

The fourth proportional to 9,164.80, 12,647.19 and 4,972.96 is: 6,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.80 : 12,647.19 = 4,972.96 : x
  2. Step 2: Convert to fraction form
    9,164.80/12,647.19 = 4,972.96/x
  3. Step 3: Cross multiply
    9,164.80x = 12,647.19 × 4,972.96
  4. Step 4: Simplify right side
    9,164.80x = 62,893,969.98
  5. Step 5: Solve for x
    x = 62,893,969.98/9,164.80
  6. Step 6: Final answer
    x = 6,862.56

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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.