Home / 7,191.59-9,924.40-4,047.85

Finding the Fourth Proportional to 7,191.59, 9,924.40 and 4,047.85

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Solution

The fourth proportional to 7,191.59, 9,924.40 and 4,047.85 is: 5,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.59 : 9,924.40 = 4,047.85 : x
  2. Step 2: Convert to fraction form
    7,191.59/9,924.40 = 4,047.85/x
  3. Step 3: Cross multiply
    7,191.59x = 9,924.40 × 4,047.85
  4. Step 4: Simplify right side
    7,191.59x = 40,172,482.54
  5. Step 5: Solve for x
    x = 40,172,482.54/7,191.59
  6. Step 6: Final answer
    x = 5,586.04

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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.