Home / 5,149.74-7,686.92-4,423.98

Finding the Fourth Proportional to 5,149.74, 7,686.92 and 4,423.98

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Solution

The fourth proportional to 5,149.74, 7,686.92 and 4,423.98 is: 6,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.74 : 7,686.92 = 4,423.98 : x
  2. Step 2: Convert to fraction form
    5,149.74/7,686.92 = 4,423.98/x
  3. Step 3: Cross multiply
    5,149.74x = 7,686.92 × 4,423.98
  4. Step 4: Simplify right side
    5,149.74x = 34,006,780.34
  5. Step 5: Solve for x
    x = 34,006,780.34/5,149.74
  6. Step 6: Final answer
    x = 6,603.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.