Home / 9,164.60-12,647.10-4,972.85

Finding the Fourth Proportional to 9,164.60, 12,647.10 and 4,972.85

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Solution

The fourth proportional to 9,164.60, 12,647.10 and 4,972.85 is: 6,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.60 : 12,647.10 = 4,972.85 : x
  2. Step 2: Convert to fraction form
    9,164.60/12,647.10 = 4,972.85/x
  3. Step 3: Cross multiply
    9,164.60x = 12,647.10 × 4,972.85
  4. Step 4: Simplify right side
    9,164.60x = 62,892,131.24
  5. Step 5: Solve for x
    x = 62,892,131.24/9,164.60
  6. Step 6: Final answer
    x = 6,862.51

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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.