Home / 8,708.28-13,064.04-2,865.30

Finding the Fourth Proportional to 8,708.28, 13,064.04 and 2,865.30

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Solution

The fourth proportional to 8,708.28, 13,064.04 and 2,865.30 is: 4,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.28 : 13,064.04 = 2,865.30 : x
  2. Step 2: Convert to fraction form
    8,708.28/13,064.04 = 2,865.30/x
  3. Step 3: Cross multiply
    8,708.28x = 13,064.04 × 2,865.30
  4. Step 4: Simplify right side
    8,708.28x = 37,432,393.81
  5. Step 5: Solve for x
    x = 37,432,393.81/8,708.28
  6. Step 6: Final answer
    x = 4,298.48

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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.