Home / 8,838.12-13,257.12-2,914.92

Finding the Fourth Proportional to 8,838.12, 13,257.12 and 2,914.92

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Solution

The fourth proportional to 8,838.12, 13,257.12 and 2,914.92 is: 4,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.12 : 13,257.12 = 2,914.92 : x
  2. Step 2: Convert to fraction form
    8,838.12/13,257.12 = 2,914.92/x
  3. Step 3: Cross multiply
    8,838.12x = 13,257.12 × 2,914.92
  4. Step 4: Simplify right side
    8,838.12x = 38,643,444.23
  5. Step 5: Solve for x
    x = 38,643,444.23/8,838.12
  6. Step 6: Final answer
    x = 4,372.36

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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.