Home / 5,130.28-7,079.90-3,034.44

Finding the Fourth Proportional to 5,130.28, 7,079.90 and 3,034.44

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Solution

The fourth proportional to 5,130.28, 7,079.90 and 3,034.44 is: 4,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.28 : 7,079.90 = 3,034.44 : x
  2. Step 2: Convert to fraction form
    5,130.28/7,079.90 = 3,034.44/x
  3. Step 3: Cross multiply
    5,130.28x = 7,079.90 × 3,034.44
  4. Step 4: Simplify right side
    5,130.28x = 21,483,531.76
  5. Step 5: Solve for x
    x = 21,483,531.76/5,130.28
  6. Step 6: Final answer
    x = 4,187.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.