Home / 5,638.76-8,445.80-2,860.66

Finding the Fourth Proportional to 5,638.76, 8,445.80 and 2,860.66

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Solution

The fourth proportional to 5,638.76, 8,445.80 and 2,860.66 is: 4,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.76 : 8,445.80 = 2,860.66 : x
  2. Step 2: Convert to fraction form
    5,638.76/8,445.80 = 2,860.66/x
  3. Step 3: Cross multiply
    5,638.76x = 8,445.80 × 2,860.66
  4. Step 4: Simplify right side
    5,638.76x = 24,160,562.23
  5. Step 5: Solve for x
    x = 24,160,562.23/5,638.76
  6. Step 6: Final answer
    x = 4,284.73

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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.