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Finding the Fourth Proportional to 8,854.05, 13,281.18 and 2,280.05

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Solution

The fourth proportional to 8,854.05, 13,281.18 and 2,280.05 is: 3,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.05 : 13,281.18 = 2,280.05 : x
  2. Step 2: Convert to fraction form
    8,854.05/13,281.18 = 2,280.05/x
  3. Step 3: Cross multiply
    8,854.05x = 13,281.18 × 2,280.05
  4. Step 4: Simplify right side
    8,854.05x = 30,281,754.46
  5. Step 5: Solve for x
    x = 30,281,754.46/8,854.05
  6. Step 6: Final answer
    x = 3,420.10

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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.