Home / 5,026.60-7,542.60-2,105.20

Finding the Fourth Proportional to 5,026.60, 7,542.60 and 2,105.20

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Solution

The fourth proportional to 5,026.60, 7,542.60 and 2,105.20 is: 3,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.60 : 7,542.60 = 2,105.20 : x
  2. Step 2: Convert to fraction form
    5,026.60/7,542.60 = 2,105.20/x
  3. Step 3: Cross multiply
    5,026.60x = 7,542.60 × 2,105.20
  4. Step 4: Simplify right side
    5,026.60x = 15,878,681.52
  5. Step 5: Solve for x
    x = 15,878,681.52/5,026.60
  6. Step 6: Final answer
    x = 3,158.93

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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.