Home / 4,503.78-6,756.48-1,581.66

Finding the Fourth Proportional to 4,503.78, 6,756.48 and 1,581.66

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Solution

The fourth proportional to 4,503.78, 6,756.48 and 1,581.66 is: 2,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.78 : 6,756.48 = 1,581.66 : x
  2. Step 2: Convert to fraction form
    4,503.78/6,756.48 = 1,581.66/x
  3. Step 3: Cross multiply
    4,503.78x = 6,756.48 × 1,581.66
  4. Step 4: Simplify right side
    4,503.78x = 10,686,454.16
  5. Step 5: Solve for x
    x = 10,686,454.16/4,503.78
  6. Step 6: Final answer
    x = 2,372.77

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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.