Home / 8,875.88-13,306.79-4,431.26

Finding the Fourth Proportional to 8,875.88, 13,306.79 and 4,431.26

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Solution

The fourth proportional to 8,875.88, 13,306.79 and 4,431.26 is: 6,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.88 : 13,306.79 = 4,431.26 : x
  2. Step 2: Convert to fraction form
    8,875.88/13,306.79 = 4,431.26/x
  3. Step 3: Cross multiply
    8,875.88x = 13,306.79 × 4,431.26
  4. Step 4: Simplify right side
    8,875.88x = 58,965,790.80
  5. Step 5: Solve for x
    x = 58,965,790.80/8,875.88
  6. Step 6: Final answer
    x = 6,643.38

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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.