Home / 7,127.74-10,690.65-2,197.27

Finding the Fourth Proportional to 7,127.74, 10,690.65 and 2,197.27

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Solution

The fourth proportional to 7,127.74, 10,690.65 and 2,197.27 is: 3,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.74 : 10,690.65 = 2,197.27 : x
  2. Step 2: Convert to fraction form
    7,127.74/10,690.65 = 2,197.27/x
  3. Step 3: Cross multiply
    7,127.74x = 10,690.65 × 2,197.27
  4. Step 4: Simplify right side
    7,127.74x = 23,490,244.53
  5. Step 5: Solve for x
    x = 23,490,244.53/7,127.74
  6. Step 6: Final answer
    x = 3,295.61

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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.