Home / 8,887.40-13,318.14-4,992.92

Finding the Fourth Proportional to 8,887.40, 13,318.14 and 4,992.92

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Solution

The fourth proportional to 8,887.40, 13,318.14 and 4,992.92 is: 7,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.40 : 13,318.14 = 4,992.92 : x
  2. Step 2: Convert to fraction form
    8,887.40/13,318.14 = 4,992.92/x
  3. Step 3: Cross multiply
    8,887.40x = 13,318.14 × 4,992.92
  4. Step 4: Simplify right side
    8,887.40x = 66,496,407.57
  5. Step 5: Solve for x
    x = 66,496,407.57/8,887.40
  6. Step 6: Final answer
    x = 7,482.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.