Home / 8,570.28-12,849.48-4,191.24

Finding the Fourth Proportional to 8,570.28, 12,849.48 and 4,191.24

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Solution

The fourth proportional to 8,570.28, 12,849.48 and 4,191.24 is: 6,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.28 : 12,849.48 = 4,191.24 : x
  2. Step 2: Convert to fraction form
    8,570.28/12,849.48 = 4,191.24/x
  3. Step 3: Cross multiply
    8,570.28x = 12,849.48 × 4,191.24
  4. Step 4: Simplify right side
    8,570.28x = 53,855,254.56
  5. Step 5: Solve for x
    x = 53,855,254.56/8,570.28
  6. Step 6: Final answer
    x = 6,283.96

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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.