Home / 5,102.57-7,041.52-2,864.45

Finding the Fourth Proportional to 5,102.57, 7,041.52 and 2,864.45

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Solution

The fourth proportional to 5,102.57, 7,041.52 and 2,864.45 is: 3,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.57 : 7,041.52 = 2,864.45 : x
  2. Step 2: Convert to fraction form
    5,102.57/7,041.52 = 2,864.45/x
  3. Step 3: Cross multiply
    5,102.57x = 7,041.52 × 2,864.45
  4. Step 4: Simplify right side
    5,102.57x = 20,170,081.96
  5. Step 5: Solve for x
    x = 20,170,081.96/5,102.57
  6. Step 6: Final answer
    x = 3,952.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.