Home / 4,478.12-6,717.18-1,879.23

Finding the Fourth Proportional to 4,478.12, 6,717.18 and 1,879.23

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Solution

The fourth proportional to 4,478.12, 6,717.18 and 1,879.23 is: 2,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.12 : 6,717.18 = 1,879.23 : x
  2. Step 2: Convert to fraction form
    4,478.12/6,717.18 = 1,879.23/x
  3. Step 3: Cross multiply
    4,478.12x = 6,717.18 × 1,879.23
  4. Step 4: Simplify right side
    4,478.12x = 12,623,126.17
  5. Step 5: Solve for x
    x = 12,623,126.17/4,478.12
  6. Step 6: Final answer
    x = 2,818.85

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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.