Home / 8,351.04-12,527.28-3,420.96

Finding the Fourth Proportional to 8,351.04, 12,527.28 and 3,420.96

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Solution

The fourth proportional to 8,351.04, 12,527.28 and 3,420.96 is: 5,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.04 : 12,527.28 = 3,420.96 : x
  2. Step 2: Convert to fraction form
    8,351.04/12,527.28 = 3,420.96/x
  3. Step 3: Cross multiply
    8,351.04x = 12,527.28 × 3,420.96
  4. Step 4: Simplify right side
    8,351.04x = 42,855,323.79
  5. Step 5: Solve for x
    x = 42,855,323.79/8,351.04
  6. Step 6: Final answer
    x = 5,131.73

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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.