Home / 10,439.28-15,656.52-3,042

Finding the Fourth Proportional to 10,439.28, 15,656.52 and 3,042

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Solution

The fourth proportional to 10,439.28, 15,656.52 and 3,042 is: 4,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.28 : 15,656.52 = 3,042 : x
  2. Step 2: Convert to fraction form
    10,439.28/15,656.52 = 3,042/x
  3. Step 3: Cross multiply
    10,439.28x = 15,656.52 × 3,042
  4. Step 4: Simplify right side
    10,439.28x = 47,627,133.84
  5. Step 5: Solve for x
    x = 47,627,133.84/10,439.28
  6. Step 6: Final answer
    x = 4,562.30

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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.