Home / 8,397.18-12,595.05-2,156.94

Finding the Fourth Proportional to 8,397.18, 12,595.05 and 2,156.94

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Solution

The fourth proportional to 8,397.18, 12,595.05 and 2,156.94 is: 3,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.18 : 12,595.05 = 2,156.94 : x
  2. Step 2: Convert to fraction form
    8,397.18/12,595.05 = 2,156.94/x
  3. Step 3: Cross multiply
    8,397.18x = 12,595.05 × 2,156.94
  4. Step 4: Simplify right side
    8,397.18x = 27,166,767.15
  5. Step 5: Solve for x
    x = 27,166,767.15/8,397.18
  6. Step 6: Final answer
    x = 3,235.23

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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.