Home / 5,218.76-7,209.96-4,377.98

Finding the Fourth Proportional to 5,218.76, 7,209.96 and 4,377.98

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Solution

The fourth proportional to 5,218.76, 7,209.96 and 4,377.98 is: 6,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.76 : 7,209.96 = 4,377.98 : x
  2. Step 2: Convert to fraction form
    5,218.76/7,209.96 = 4,377.98/x
  3. Step 3: Cross multiply
    5,218.76x = 7,209.96 × 4,377.98
  4. Step 4: Simplify right side
    5,218.76x = 31,565,060.68
  5. Step 5: Solve for x
    x = 31,565,060.68/5,218.76
  6. Step 6: Final answer
    x = 6,048.38

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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.