Home / 8,856.28-13,285.68-3,013.84

Finding the Fourth Proportional to 8,856.28, 13,285.68 and 3,013.84

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Solution

The fourth proportional to 8,856.28, 13,285.68 and 3,013.84 is: 4,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.28 : 13,285.68 = 3,013.84 : x
  2. Step 2: Convert to fraction form
    8,856.28/13,285.68 = 3,013.84/x
  3. Step 3: Cross multiply
    8,856.28x = 13,285.68 × 3,013.84
  4. Step 4: Simplify right side
    8,856.28x = 40,040,913.81
  5. Step 5: Solve for x
    x = 40,040,913.81/8,856.28
  6. Step 6: Final answer
    x = 4,521.19

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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.