Home / 5,877.79-8,111.85-3,225.71

Finding the Fourth Proportional to 5,877.79, 8,111.85 and 3,225.71

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Solution

The fourth proportional to 5,877.79, 8,111.85 and 3,225.71 is: 4,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.79 : 8,111.85 = 3,225.71 : x
  2. Step 2: Convert to fraction form
    5,877.79/8,111.85 = 3,225.71/x
  3. Step 3: Cross multiply
    5,877.79x = 8,111.85 × 3,225.71
  4. Step 4: Simplify right side
    5,877.79x = 26,166,475.66
  5. Step 5: Solve for x
    x = 26,166,475.66/5,877.79
  6. Step 6: Final answer
    x = 4,451.76

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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.