Home / 5,176.32-7,760.16-1,711.68

Finding the Fourth Proportional to 5,176.32, 7,760.16 and 1,711.68

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Solution

The fourth proportional to 5,176.32, 7,760.16 and 1,711.68 is: 2,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.32 : 7,760.16 = 1,711.68 : x
  2. Step 2: Convert to fraction form
    5,176.32/7,760.16 = 1,711.68/x
  3. Step 3: Cross multiply
    5,176.32x = 7,760.16 × 1,711.68
  4. Step 4: Simplify right side
    5,176.32x = 13,282,910.67
  5. Step 5: Solve for x
    x = 13,282,910.67/5,176.32
  6. Step 6: Final answer
    x = 2,566.09

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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.