Home / 5,931.79-8,185.65-3,414.72

Finding the Fourth Proportional to 5,931.79, 8,185.65 and 3,414.72

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Solution

The fourth proportional to 5,931.79, 8,185.65 and 3,414.72 is: 4,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.79 : 8,185.65 = 3,414.72 : x
  2. Step 2: Convert to fraction form
    5,931.79/8,185.65 = 3,414.72/x
  3. Step 3: Cross multiply
    5,931.79x = 8,185.65 × 3,414.72
  4. Step 4: Simplify right side
    5,931.79x = 27,951,702.77
  5. Step 5: Solve for x
    x = 27,951,702.77/5,931.79
  6. Step 6: Final answer
    x = 4,712.19

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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.