Home / 7,127.09-10,691.93-2,445.90

Finding the Fourth Proportional to 7,127.09, 10,691.93 and 2,445.90

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Solution

The fourth proportional to 7,127.09, 10,691.93 and 2,445.90 is: 3,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.09 : 10,691.93 = 2,445.90 : x
  2. Step 2: Convert to fraction form
    7,127.09/10,691.93 = 2,445.90/x
  3. Step 3: Cross multiply
    7,127.09x = 10,691.93 × 2,445.90
  4. Step 4: Simplify right side
    7,127.09x = 26,151,343.85
  5. Step 5: Solve for x
    x = 26,151,343.85/7,127.09
  6. Step 6: Final answer
    x = 3,669.29

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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.