Home / 4,165.28-6,248.96-1,243.36

Finding the Fourth Proportional to 4,165.28, 6,248.96 and 1,243.36

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Solution

The fourth proportional to 4,165.28, 6,248.96 and 1,243.36 is: 1,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.28 : 6,248.96 = 1,243.36 : x
  2. Step 2: Convert to fraction form
    4,165.28/6,248.96 = 1,243.36/x
  3. Step 3: Cross multiply
    4,165.28x = 6,248.96 × 1,243.36
  4. Step 4: Simplify right side
    4,165.28x = 7,769,706.91
  5. Step 5: Solve for x
    x = 7,769,706.91/4,165.28
  6. Step 6: Final answer
    x = 1,865.35

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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.