Home / 4,311.33-6,463.91-2,087.76

Finding the Fourth Proportional to 4,311.33, 6,463.91 and 2,087.76

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Solution

The fourth proportional to 4,311.33, 6,463.91 and 2,087.76 is: 3,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.33 : 6,463.91 = 2,087.76 : x
  2. Step 2: Convert to fraction form
    4,311.33/6,463.91 = 2,087.76/x
  3. Step 3: Cross multiply
    4,311.33x = 6,463.91 × 2,087.76
  4. Step 4: Simplify right side
    4,311.33x = 13,495,092.74
  5. Step 5: Solve for x
    x = 13,495,092.74/4,311.33
  6. Step 6: Final answer
    x = 3,130.15

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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.