Home / 5,628.10-8,447.45-2,856.76

Finding the Fourth Proportional to 5,628.10, 8,447.45 and 2,856.76

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Solution

The fourth proportional to 5,628.10, 8,447.45 and 2,856.76 is: 4,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.10 : 8,447.45 = 2,856.76 : x
  2. Step 2: Convert to fraction form
    5,628.10/8,447.45 = 2,856.76/x
  3. Step 3: Cross multiply
    5,628.10x = 8,447.45 × 2,856.76
  4. Step 4: Simplify right side
    5,628.10x = 24,132,344.25
  5. Step 5: Solve for x
    x = 24,132,344.25/5,628.10
  6. Step 6: Final answer
    x = 4,287.83

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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.