Home / 8,870.80-12,244.26-6,218.86

Finding the Fourth Proportional to 8,870.80, 12,244.26 and 6,218.86

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Solution

The fourth proportional to 8,870.80, 12,244.26 and 6,218.86 is: 8,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.80 : 12,244.26 = 6,218.86 : x
  2. Step 2: Convert to fraction form
    8,870.80/12,244.26 = 6,218.86/x
  3. Step 3: Cross multiply
    8,870.80x = 12,244.26 × 6,218.86
  4. Step 4: Simplify right side
    8,870.80x = 76,145,338.74
  5. Step 5: Solve for x
    x = 76,145,338.74/8,870.80
  6. Step 6: Final answer
    x = 8,583.82

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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.