Home / 5,027.60-7,543.68-2,106.56

Finding the Fourth Proportional to 5,027.60, 7,543.68 and 2,106.56

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Solution

The fourth proportional to 5,027.60, 7,543.68 and 2,106.56 is: 3,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.60 : 7,543.68 = 2,106.56 : x
  2. Step 2: Convert to fraction form
    5,027.60/7,543.68 = 2,106.56/x
  3. Step 3: Cross multiply
    5,027.60x = 7,543.68 × 2,106.56
  4. Step 4: Simplify right side
    5,027.60x = 15,891,214.54
  5. Step 5: Solve for x
    x = 15,891,214.54/5,027.60
  6. Step 6: Final answer
    x = 3,160.80

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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.