Home / 4,165.17-6,248.75-1,243.55

Finding the Fourth Proportional to 4,165.17, 6,248.75 and 1,243.55

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Solution

The fourth proportional to 4,165.17, 6,248.75 and 1,243.55 is: 1,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.17 : 6,248.75 = 1,243.55 : x
  2. Step 2: Convert to fraction form
    4,165.17/6,248.75 = 1,243.55/x
  3. Step 3: Cross multiply
    4,165.17x = 6,248.75 × 1,243.55
  4. Step 4: Simplify right side
    4,165.17x = 7,770,642.47
  5. Step 5: Solve for x
    x = 7,770,642.47/4,165.17
  6. Step 6: Final answer
    x = 1,865.62

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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.