Home / 4,756.40-7,135.28-1,469.78

Finding the Fourth Proportional to 4,756.40, 7,135.28 and 1,469.78

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Solution

The fourth proportional to 4,756.40, 7,135.28 and 1,469.78 is: 2,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.40 : 7,135.28 = 1,469.78 : x
  2. Step 2: Convert to fraction form
    4,756.40/7,135.28 = 1,469.78/x
  3. Step 3: Cross multiply
    4,756.40x = 7,135.28 × 1,469.78
  4. Step 4: Simplify right side
    4,756.40x = 10,487,248.81
  5. Step 5: Solve for x
    x = 10,487,248.81/4,756.40
  6. Step 6: Final answer
    x = 2,204.87

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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.