Home / 5,228.76-7,215.84-3,133.56

Finding the Fourth Proportional to 5,228.76, 7,215.84 and 3,133.56

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Solution

The fourth proportional to 5,228.76, 7,215.84 and 3,133.56 is: 4,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.76 : 7,215.84 = 3,133.56 : x
  2. Step 2: Convert to fraction form
    5,228.76/7,215.84 = 3,133.56/x
  3. Step 3: Cross multiply
    5,228.76x = 7,215.84 × 3,133.56
  4. Step 4: Simplify right side
    5,228.76x = 22,611,267.59
  5. Step 5: Solve for x
    x = 22,611,267.59/5,228.76
  6. Step 6: Final answer
    x = 4,324.40

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Find fourth proportional to 2,614.38, 3,607.92 and 1,566.78
Half scale
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Double scale
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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.