Home / 5,931.18-8,184.78-3,278.70

Finding the Fourth Proportional to 5,931.18, 8,184.78 and 3,278.70

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Solution

The fourth proportional to 5,931.18, 8,184.78 and 3,278.70 is: 4,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.18 : 8,184.78 = 3,278.70 : x
  2. Step 2: Convert to fraction form
    5,931.18/8,184.78 = 3,278.70/x
  3. Step 3: Cross multiply
    5,931.18x = 8,184.78 × 3,278.70
  4. Step 4: Simplify right side
    5,931.18x = 26,835,438.19
  5. Step 5: Solve for x
    x = 26,835,438.19/5,931.18
  6. Step 6: Final answer
    x = 4,524.47

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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.