Home / 7,277.60-10,908.30-3,116.90

Finding the Fourth Proportional to 7,277.60, 10,908.30 and 3,116.90

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Solution

The fourth proportional to 7,277.60, 10,908.30 and 3,116.90 is: 4,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.60 : 10,908.30 = 3,116.90 : x
  2. Step 2: Convert to fraction form
    7,277.60/10,908.30 = 3,116.90/x
  3. Step 3: Cross multiply
    7,277.60x = 10,908.30 × 3,116.90
  4. Step 4: Simplify right side
    7,277.60x = 34,000,080.27
  5. Step 5: Solve for x
    x = 34,000,080.27/7,277.60
  6. Step 6: Final answer
    x = 4,671.88

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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.