Home / 8,114.55-12,171.21-2,567.76

Finding the Fourth Proportional to 8,114.55, 12,171.21 and 2,567.76

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Solution

The fourth proportional to 8,114.55, 12,171.21 and 2,567.76 is: 3,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.55 : 12,171.21 = 2,567.76 : x
  2. Step 2: Convert to fraction form
    8,114.55/12,171.21 = 2,567.76/x
  3. Step 3: Cross multiply
    8,114.55x = 12,171.21 × 2,567.76
  4. Step 4: Simplify right side
    8,114.55x = 31,252,746.19
  5. Step 5: Solve for x
    x = 31,252,746.19/8,114.55
  6. Step 6: Final answer
    x = 3,851.45

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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.