Home / 5,562.15-8,340.80-1,665.65

Finding the Fourth Proportional to 5,562.15, 8,340.80 and 1,665.65

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Solution

The fourth proportional to 5,562.15, 8,340.80 and 1,665.65 is: 2,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.15 : 8,340.80 = 1,665.65 : x
  2. Step 2: Convert to fraction form
    5,562.15/8,340.80 = 1,665.65/x
  3. Step 3: Cross multiply
    5,562.15x = 8,340.80 × 1,665.65
  4. Step 4: Simplify right side
    5,562.15x = 13,892,853.52
  5. Step 5: Solve for x
    x = 13,892,853.52/5,562.15
  6. Step 6: Final answer
    x = 2,497.75

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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.