Home / 10,417.28-15,610.56-5,216

Finding the Fourth Proportional to 10,417.28, 15,610.56 and 5,216

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Solution

The fourth proportional to 10,417.28, 15,610.56 and 5,216 is: 7,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.28 : 15,610.56 = 5,216 : x
  2. Step 2: Convert to fraction form
    10,417.28/15,610.56 = 5,216/x
  3. Step 3: Cross multiply
    10,417.28x = 15,610.56 × 5,216
  4. Step 4: Simplify right side
    10,417.28x = 81,424,680.96
  5. Step 5: Solve for x
    x = 81,424,680.96/10,417.28
  6. Step 6: Final answer
    x = 7,816.31

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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.