Home / 8,701.08-12,002.11-5,342.64

Finding the Fourth Proportional to 8,701.08, 12,002.11 and 5,342.64

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Solution

The fourth proportional to 8,701.08, 12,002.11 and 5,342.64 is: 7,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.08 : 12,002.11 = 5,342.64 : x
  2. Step 2: Convert to fraction form
    8,701.08/12,002.11 = 5,342.64/x
  3. Step 3: Cross multiply
    8,701.08x = 12,002.11 × 5,342.64
  4. Step 4: Simplify right side
    8,701.08x = 64,122,952.97
  5. Step 5: Solve for x
    x = 64,122,952.97/8,701.08
  6. Step 6: Final answer
    x = 7,369.54

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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.