Home / 5,160.18-7,118.46-3,479.46

Finding the Fourth Proportional to 5,160.18, 7,118.46 and 3,479.46

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Solution

The fourth proportional to 5,160.18, 7,118.46 and 3,479.46 is: 4,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.18 : 7,118.46 = 3,479.46 : x
  2. Step 2: Convert to fraction form
    5,160.18/7,118.46 = 3,479.46/x
  3. Step 3: Cross multiply
    5,160.18x = 7,118.46 × 3,479.46
  4. Step 4: Simplify right side
    5,160.18x = 24,768,396.83
  5. Step 5: Solve for x
    x = 24,768,396.83/5,160.18
  6. Step 6: Final answer
    x = 4,799.91

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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.