Home / 5,117.64-7,677.45-1,997.52

Finding the Fourth Proportional to 5,117.64, 7,677.45 and 1,997.52

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Solution

The fourth proportional to 5,117.64, 7,677.45 and 1,997.52 is: 2,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.64 : 7,677.45 = 1,997.52 : x
  2. Step 2: Convert to fraction form
    5,117.64/7,677.45 = 1,997.52/x
  3. Step 3: Cross multiply
    5,117.64x = 7,677.45 × 1,997.52
  4. Step 4: Simplify right side
    5,117.64x = 15,335,859.92
  5. Step 5: Solve for x
    x = 15,335,859.92/5,117.64
  6. Step 6: Final answer
    x = 2,996.67

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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.