Home / 8,280.04-12,421.58-2,733.76

Finding the Fourth Proportional to 8,280.04, 12,421.58 and 2,733.76

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Solution

The fourth proportional to 8,280.04, 12,421.58 and 2,733.76 is: 4,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.04 : 12,421.58 = 2,733.76 : x
  2. Step 2: Convert to fraction form
    8,280.04/12,421.58 = 2,733.76/x
  3. Step 3: Cross multiply
    8,280.04x = 12,421.58 × 2,733.76
  4. Step 4: Simplify right side
    8,280.04x = 33,957,618.54
  5. Step 5: Solve for x
    x = 33,957,618.54/8,280.04
  6. Step 6: Final answer
    x = 4,101.14

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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.