Home / 5,012.47-7,518.57-2,090.71

Finding the Fourth Proportional to 5,012.47, 7,518.57 and 2,090.71

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Solution

The fourth proportional to 5,012.47, 7,518.57 and 2,090.71 is: 3,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.47 : 7,518.57 = 2,090.71 : x
  2. Step 2: Convert to fraction form
    5,012.47/7,518.57 = 2,090.71/x
  3. Step 3: Cross multiply
    5,012.47x = 7,518.57 × 2,090.71
  4. Step 4: Simplify right side
    5,012.47x = 15,719,149.48
  5. Step 5: Solve for x
    x = 15,719,149.48/5,012.47
  6. Step 6: Final answer
    x = 3,136.01

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Similar ratio
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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.