Home / 10,079.16-15,125.62-3,505.28

Finding the Fourth Proportional to 10,079.16, 15,125.62 and 3,505.28

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Solution

The fourth proportional to 10,079.16, 15,125.62 and 3,505.28 is: 5,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.16 : 15,125.62 = 3,505.28 : x
  2. Step 2: Convert to fraction form
    10,079.16/15,125.62 = 3,505.28/x
  3. Step 3: Cross multiply
    10,079.16x = 15,125.62 × 3,505.28
  4. Step 4: Simplify right side
    10,079.16x = 53,019,533.27
  5. Step 5: Solve for x
    x = 53,019,533.27/10,079.16
  6. Step 6: Final answer
    x = 5,260.31

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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.