Home / 5,731.76-8,586.56-3,778.08

Finding the Fourth Proportional to 5,731.76, 8,586.56 and 3,778.08

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Solution

The fourth proportional to 5,731.76, 8,586.56 and 3,778.08 is: 5,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.76 : 8,586.56 = 3,778.08 : x
  2. Step 2: Convert to fraction form
    5,731.76/8,586.56 = 3,778.08/x
  3. Step 3: Cross multiply
    5,731.76x = 8,586.56 × 3,778.08
  4. Step 4: Simplify right side
    5,731.76x = 32,440,710.60
  5. Step 5: Solve for x
    x = 32,440,710.60/5,731.76
  6. Step 6: Final answer
    x = 5,659.82

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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.