Home / 8,928.14-12,320.61-4,949.24

Finding the Fourth Proportional to 8,928.14, 12,320.61 and 4,949.24

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Solution

The fourth proportional to 8,928.14, 12,320.61 and 4,949.24 is: 6,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.14 : 12,320.61 = 4,949.24 : x
  2. Step 2: Convert to fraction form
    8,928.14/12,320.61 = 4,949.24/x
  3. Step 3: Cross multiply
    8,928.14x = 12,320.61 × 4,949.24
  4. Step 4: Simplify right side
    8,928.14x = 60,977,655.84
  5. Step 5: Solve for x
    x = 60,977,655.84/8,928.14
  6. Step 6: Final answer
    x = 6,829.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.