Home / 4,479.60-6,711.30-2,746.20

Finding the Fourth Proportional to 4,479.60, 6,711.30 and 2,746.20

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Solution

The fourth proportional to 4,479.60, 6,711.30 and 2,746.20 is: 4,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.60 : 6,711.30 = 2,746.20 : x
  2. Step 2: Convert to fraction form
    4,479.60/6,711.30 = 2,746.20/x
  3. Step 3: Cross multiply
    4,479.60x = 6,711.30 × 2,746.20
  4. Step 4: Simplify right side
    4,479.60x = 18,430,572.06
  5. Step 5: Solve for x
    x = 18,430,572.06/4,479.60
  6. Step 6: Final answer
    x = 4,114.33

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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.