Home / 6,378.18-9,567.45-1,761.18

Finding the Fourth Proportional to 6,378.18, 9,567.45 and 1,761.18

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Solution

The fourth proportional to 6,378.18, 9,567.45 and 1,761.18 is: 2,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.18 : 9,567.45 = 1,761.18 : x
  2. Step 2: Convert to fraction form
    6,378.18/9,567.45 = 1,761.18/x
  3. Step 3: Cross multiply
    6,378.18x = 9,567.45 × 1,761.18
  4. Step 4: Simplify right side
    6,378.18x = 16,850,001.59
  5. Step 5: Solve for x
    x = 16,850,001.59/6,378.18
  6. Step 6: Final answer
    x = 2,641.82

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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.