Home / 5,975.28-8,947.80-3,191.76

Finding the Fourth Proportional to 5,975.28, 8,947.80 and 3,191.76

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Solution

The fourth proportional to 5,975.28, 8,947.80 and 3,191.76 is: 4,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.28 : 8,947.80 = 3,191.76 : x
  2. Step 2: Convert to fraction form
    5,975.28/8,947.80 = 3,191.76/x
  3. Step 3: Cross multiply
    5,975.28x = 8,947.80 × 3,191.76
  4. Step 4: Simplify right side
    5,975.28x = 28,559,230.13
  5. Step 5: Solve for x
    x = 28,559,230.13/5,975.28
  6. Step 6: Final answer
    x = 4,779.56

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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.