Home / 5,070.20-7,606.56-2,991.92

Finding the Fourth Proportional to 5,070.20, 7,606.56 and 2,991.92

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Solution

The fourth proportional to 5,070.20, 7,606.56 and 2,991.92 is: 4,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.20 : 7,606.56 = 2,991.92 : x
  2. Step 2: Convert to fraction form
    5,070.20/7,606.56 = 2,991.92/x
  3. Step 3: Cross multiply
    5,070.20x = 7,606.56 × 2,991.92
  4. Step 4: Simplify right side
    5,070.20x = 22,758,219.00
  5. Step 5: Solve for x
    x = 22,758,219.00/5,070.20
  6. Step 6: Final answer
    x = 4,488.62

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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.