Home / 9,141.12-12,614.68-4,949.36

Finding the Fourth Proportional to 9,141.12, 12,614.68 and 4,949.36

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Solution

The fourth proportional to 9,141.12, 12,614.68 and 4,949.36 is: 6,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.12 : 12,614.68 = 4,949.36 : x
  2. Step 2: Convert to fraction form
    9,141.12/12,614.68 = 4,949.36/x
  3. Step 3: Cross multiply
    9,141.12x = 12,614.68 × 4,949.36
  4. Step 4: Simplify right side
    9,141.12x = 62,434,592.60
  5. Step 5: Solve for x
    x = 62,434,592.60/9,141.12
  6. Step 6: Final answer
    x = 6,830.08

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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.