Home / 5,440.28-8,157.14-2,971.66

Finding the Fourth Proportional to 5,440.28, 8,157.14 and 2,971.66

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Solution

The fourth proportional to 5,440.28, 8,157.14 and 2,971.66 is: 4,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.28 : 8,157.14 = 2,971.66 : x
  2. Step 2: Convert to fraction form
    5,440.28/8,157.14 = 2,971.66/x
  3. Step 3: Cross multiply
    5,440.28x = 8,157.14 × 2,971.66
  4. Step 4: Simplify right side
    5,440.28x = 24,240,246.65
  5. Step 5: Solve for x
    x = 24,240,246.65/5,440.28
  6. Step 6: Final answer
    x = 4,455.70

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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.