Home / 8,117.42-12,165.48-4,165.34

Finding the Fourth Proportional to 8,117.42, 12,165.48 and 4,165.34

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Solution

The fourth proportional to 8,117.42, 12,165.48 and 4,165.34 is: 6,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.42 : 12,165.48 = 4,165.34 : x
  2. Step 2: Convert to fraction form
    8,117.42/12,165.48 = 4,165.34/x
  3. Step 3: Cross multiply
    8,117.42x = 12,165.48 × 4,165.34
  4. Step 4: Simplify right side
    8,117.42x = 50,673,360.46
  5. Step 5: Solve for x
    x = 50,673,360.46/8,117.42
  6. Step 6: Final answer
    x = 6,242.55

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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.