Home / 5,539.40-7,632.80-3,767.92

Finding the Fourth Proportional to 5,539.40, 7,632.80 and 3,767.92

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Solution

The fourth proportional to 5,539.40, 7,632.80 and 3,767.92 is: 5,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.40 : 7,632.80 = 3,767.92 : x
  2. Step 2: Convert to fraction form
    5,539.40/7,632.80 = 3,767.92/x
  3. Step 3: Cross multiply
    5,539.40x = 7,632.80 × 3,767.92
  4. Step 4: Simplify right side
    5,539.40x = 28,759,779.78
  5. Step 5: Solve for x
    x = 28,759,779.78/5,539.40
  6. Step 6: Final answer
    x = 5,191.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.