Home / 8,080.40-11,149.92-4,677.98

Finding the Fourth Proportional to 8,080.40, 11,149.92 and 4,677.98

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Solution

The fourth proportional to 8,080.40, 11,149.92 and 4,677.98 is: 6,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.40 : 11,149.92 = 4,677.98 : x
  2. Step 2: Convert to fraction form
    8,080.40/11,149.92 = 4,677.98/x
  3. Step 3: Cross multiply
    8,080.40x = 11,149.92 × 4,677.98
  4. Step 4: Simplify right side
    8,080.40x = 52,159,102.76
  5. Step 5: Solve for x
    x = 52,159,102.76/8,080.40
  6. Step 6: Final answer
    x = 6,455.01

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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.