Home / 5,580.88-8,372.86-4,538.30

Finding the Fourth Proportional to 5,580.88, 8,372.86 and 4,538.30

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Solution

The fourth proportional to 5,580.88, 8,372.86 and 4,538.30 is: 6,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.88 : 8,372.86 = 4,538.30 : x
  2. Step 2: Convert to fraction form
    5,580.88/8,372.86 = 4,538.30/x
  3. Step 3: Cross multiply
    5,580.88x = 8,372.86 × 4,538.30
  4. Step 4: Simplify right side
    5,580.88x = 37,998,550.54
  5. Step 5: Solve for x
    x = 37,998,550.54/5,580.88
  6. Step 6: Final answer
    x = 6,808.70

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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.