Home / 6,871.30-10,306.95-2,488.75

Finding the Fourth Proportional to 6,871.30, 10,306.95 and 2,488.75

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Solution

The fourth proportional to 6,871.30, 10,306.95 and 2,488.75 is: 3,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.30 : 10,306.95 = 2,488.75 : x
  2. Step 2: Convert to fraction form
    6,871.30/10,306.95 = 2,488.75/x
  3. Step 3: Cross multiply
    6,871.30x = 10,306.95 × 2,488.75
  4. Step 4: Simplify right side
    6,871.30x = 25,651,421.81
  5. Step 5: Solve for x
    x = 25,651,421.81/6,871.30
  6. Step 6: Final answer
    x = 3,733.13

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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.