Home / 5,377.50-8,064.31-1,866.55

Finding the Fourth Proportional to 5,377.50, 8,064.31 and 1,866.55

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Solution

The fourth proportional to 5,377.50, 8,064.31 and 1,866.55 is: 2,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.50 : 8,064.31 = 1,866.55 : x
  2. Step 2: Convert to fraction form
    5,377.50/8,064.31 = 1,866.55/x
  3. Step 3: Cross multiply
    5,377.50x = 8,064.31 × 1,866.55
  4. Step 4: Simplify right side
    5,377.50x = 15,052,437.83
  5. Step 5: Solve for x
    x = 15,052,437.83/5,377.50
  6. Step 6: Final answer
    x = 2,799.15

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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.