Home / 8,669.28-13,004.16-2,825.76

Finding the Fourth Proportional to 8,669.28, 13,004.16 and 2,825.76

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Solution

The fourth proportional to 8,669.28, 13,004.16 and 2,825.76 is: 4,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.28 : 13,004.16 = 2,825.76 : x
  2. Step 2: Convert to fraction form
    8,669.28/13,004.16 = 2,825.76/x
  3. Step 3: Cross multiply
    8,669.28x = 13,004.16 × 2,825.76
  4. Step 4: Simplify right side
    8,669.28x = 36,746,635.16
  5. Step 5: Solve for x
    x = 36,746,635.16/8,669.28
  6. Step 6: Final answer
    x = 4,238.72

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1.5x scale

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.