Home / 8,397.27-12,595.67-2,157.03

Finding the Fourth Proportional to 8,397.27, 12,595.67 and 2,157.03

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Solution

The fourth proportional to 8,397.27, 12,595.67 and 2,157.03 is: 3,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.27 : 12,595.67 = 2,157.03 : x
  2. Step 2: Convert to fraction form
    8,397.27/12,595.67 = 2,157.03/x
  3. Step 3: Cross multiply
    8,397.27x = 12,595.67 × 2,157.03
  4. Step 4: Simplify right side
    8,397.27x = 27,169,227.27
  5. Step 5: Solve for x
    x = 27,169,227.27/8,397.27
  6. Step 6: Final answer
    x = 3,235.48

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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.