Home / 5,112.58-7,637.76-3,248.76

Finding the Fourth Proportional to 5,112.58, 7,637.76 and 3,248.76

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Solution

The fourth proportional to 5,112.58, 7,637.76 and 3,248.76 is: 4,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.58 : 7,637.76 = 3,248.76 : x
  2. Step 2: Convert to fraction form
    5,112.58/7,637.76 = 3,248.76/x
  3. Step 3: Cross multiply
    5,112.58x = 7,637.76 × 3,248.76
  4. Step 4: Simplify right side
    5,112.58x = 24,813,249.18
  5. Step 5: Solve for x
    x = 24,813,249.18/5,112.58
  6. Step 6: Final answer
    x = 4,853.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.