Home / 5,551.60-7,633.56-5,321.20

Finding the Fourth Proportional to 5,551.60, 7,633.56 and 5,321.20

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Solution

The fourth proportional to 5,551.60, 7,633.56 and 5,321.20 is: 7,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.60 : 7,633.56 = 5,321.20 : x
  2. Step 2: Convert to fraction form
    5,551.60/7,633.56 = 5,321.20/x
  3. Step 3: Cross multiply
    5,551.60x = 7,633.56 × 5,321.20
  4. Step 4: Simplify right side
    5,551.60x = 40,619,699.47
  5. Step 5: Solve for x
    x = 40,619,699.47/5,551.60
  6. Step 6: Final answer
    x = 7,316.76

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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.