Home / 8,397.09-12,595.50-2,157.06

Finding the Fourth Proportional to 8,397.09, 12,595.50 and 2,157.06

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Solution

The fourth proportional to 8,397.09, 12,595.50 and 2,157.06 is: 3,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.09 : 12,595.50 = 2,157.06 : x
  2. Step 2: Convert to fraction form
    8,397.09/12,595.50 = 2,157.06/x
  3. Step 3: Cross multiply
    8,397.09x = 12,595.50 × 2,157.06
  4. Step 4: Simplify right side
    8,397.09x = 27,169,249.23
  5. Step 5: Solve for x
    x = 27,169,249.23/8,397.09
  6. Step 6: Final answer
    x = 3,235.56

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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.