Home / 6,871.24-10,290.81-5,017.76

Finding the Fourth Proportional to 6,871.24, 10,290.81 and 5,017.76

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Solution

The fourth proportional to 6,871.24, 10,290.81 and 5,017.76 is: 7,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.24 : 10,290.81 = 5,017.76 : x
  2. Step 2: Convert to fraction form
    6,871.24/10,290.81 = 5,017.76/x
  3. Step 3: Cross multiply
    6,871.24x = 10,290.81 × 5,017.76
  4. Step 4: Simplify right side
    6,871.24x = 51,636,763.33
  5. Step 5: Solve for x
    x = 51,636,763.33/6,871.24
  6. Step 6: Final answer
    x = 7,514.92

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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.