Home / 5,389.50-7,437.78-3,293.76

Finding the Fourth Proportional to 5,389.50, 7,437.78 and 3,293.76

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Solution

The fourth proportional to 5,389.50, 7,437.78 and 3,293.76 is: 4,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.50 : 7,437.78 = 3,293.76 : x
  2. Step 2: Convert to fraction form
    5,389.50/7,437.78 = 3,293.76/x
  3. Step 3: Cross multiply
    5,389.50x = 7,437.78 × 3,293.76
  4. Step 4: Simplify right side
    5,389.50x = 24,498,262.25
  5. Step 5: Solve for x
    x = 24,498,262.25/5,389.50
  6. Step 6: Final answer
    x = 4,545.55

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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.