Home / 8,854.16-13,280.78-2,280.68

Finding the Fourth Proportional to 8,854.16, 13,280.78 and 2,280.68

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Solution

The fourth proportional to 8,854.16, 13,280.78 and 2,280.68 is: 3,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.16 : 13,280.78 = 2,280.68 : x
  2. Step 2: Convert to fraction form
    8,854.16/13,280.78 = 2,280.68/x
  3. Step 3: Cross multiply
    8,854.16x = 13,280.78 × 2,280.68
  4. Step 4: Simplify right side
    8,854.16x = 30,289,209.33
  5. Step 5: Solve for x
    x = 30,289,209.33/8,854.16
  6. Step 6: Final answer
    x = 3,420.90

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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.