Home / 8,859.30-13,288.98-4,177.80

Finding the Fourth Proportional to 8,859.30, 13,288.98 and 4,177.80

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Solution

The fourth proportional to 8,859.30, 13,288.98 and 4,177.80 is: 6,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.30 : 13,288.98 = 4,177.80 : x
  2. Step 2: Convert to fraction form
    8,859.30/13,288.98 = 4,177.80/x
  3. Step 3: Cross multiply
    8,859.30x = 13,288.98 × 4,177.80
  4. Step 4: Simplify right side
    8,859.30x = 55,518,700.64
  5. Step 5: Solve for x
    x = 55,518,700.64/8,859.30
  6. Step 6: Final answer
    x = 6,266.71

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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.