Home / 5,077.87-7,618.62-3,688.85

Finding the Fourth Proportional to 5,077.87, 7,618.62 and 3,688.85

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Solution

The fourth proportional to 5,077.87, 7,618.62 and 3,688.85 is: 5,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.87 : 7,618.62 = 3,688.85 : x
  2. Step 2: Convert to fraction form
    5,077.87/7,618.62 = 3,688.85/x
  3. Step 3: Cross multiply
    5,077.87x = 7,618.62 × 3,688.85
  4. Step 4: Simplify right side
    5,077.87x = 28,103,946.39
  5. Step 5: Solve for x
    x = 28,103,946.39/5,077.87
  6. Step 6: Final answer
    x = 5,534.59

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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.