Home / 5,077.68-7,612.68-3,690.96

Finding the Fourth Proportional to 5,077.68, 7,612.68 and 3,690.96

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Solution

The fourth proportional to 5,077.68, 7,612.68 and 3,690.96 is: 5,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.68 : 7,612.68 = 3,690.96 : x
  2. Step 2: Convert to fraction form
    5,077.68/7,612.68 = 3,690.96/x
  3. Step 3: Cross multiply
    5,077.68x = 7,612.68 × 3,690.96
  4. Step 4: Simplify right side
    5,077.68x = 28,098,097.37
  5. Step 5: Solve for x
    x = 28,098,097.37/5,077.68
  6. Step 6: Final answer
    x = 5,533.65

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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.