Home / 8,119.41-11,211.12-6,356.04

Finding the Fourth Proportional to 8,119.41, 11,211.12 and 6,356.04

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Solution

The fourth proportional to 8,119.41, 11,211.12 and 6,356.04 is: 8,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.41 : 11,211.12 = 6,356.04 : x
  2. Step 2: Convert to fraction form
    8,119.41/11,211.12 = 6,356.04/x
  3. Step 3: Cross multiply
    8,119.41x = 11,211.12 × 6,356.04
  4. Step 4: Simplify right side
    8,119.41x = 71,258,327.16
  5. Step 5: Solve for x
    x = 71,258,327.16/8,119.41
  6. Step 6: Final answer
    x = 8,776.29

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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.