Home / 5,675.48-8,513.22-1,780.20

Finding the Fourth Proportional to 5,675.48, 8,513.22 and 1,780.20

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Solution

The fourth proportional to 5,675.48, 8,513.22 and 1,780.20 is: 2,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.48 : 8,513.22 = 1,780.20 : x
  2. Step 2: Convert to fraction form
    5,675.48/8,513.22 = 1,780.20/x
  3. Step 3: Cross multiply
    5,675.48x = 8,513.22 × 1,780.20
  4. Step 4: Simplify right side
    5,675.48x = 15,155,234.24
  5. Step 5: Solve for x
    x = 15,155,234.24/5,675.48
  6. Step 6: Final answer
    x = 2,670.30

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Similar ratio
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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.