Home / 5,089.32-7,015.68-3,407.76

Finding the Fourth Proportional to 5,089.32, 7,015.68 and 3,407.76

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Solution

The fourth proportional to 5,089.32, 7,015.68 and 3,407.76 is: 4,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.32 : 7,015.68 = 3,407.76 : x
  2. Step 2: Convert to fraction form
    5,089.32/7,015.68 = 3,407.76/x
  3. Step 3: Cross multiply
    5,089.32x = 7,015.68 × 3,407.76
  4. Step 4: Simplify right side
    5,089.32x = 23,907,753.68
  5. Step 5: Solve for x
    x = 23,907,753.68/5,089.32
  6. Step 6: Final answer
    x = 4,697.63

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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.