Home / 8,323.45-12,484.15-3,642.57

Finding the Fourth Proportional to 8,323.45, 12,484.15 and 3,642.57

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Solution

The fourth proportional to 8,323.45, 12,484.15 and 3,642.57 is: 5,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.45 : 12,484.15 = 3,642.57 : x
  2. Step 2: Convert to fraction form
    8,323.45/12,484.15 = 3,642.57/x
  3. Step 3: Cross multiply
    8,323.45x = 12,484.15 × 3,642.57
  4. Step 4: Simplify right side
    8,323.45x = 45,474,381.16
  5. Step 5: Solve for x
    x = 45,474,381.16/8,323.45
  6. Step 6: Final answer
    x = 5,463.41

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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.