Home / 9,110.76-12,568.55-5,331.58

Finding the Fourth Proportional to 9,110.76, 12,568.55 and 5,331.58

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Solution

The fourth proportional to 9,110.76, 12,568.55 and 5,331.58 is: 7,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.76 : 12,568.55 = 5,331.58 : x
  2. Step 2: Convert to fraction form
    9,110.76/12,568.55 = 5,331.58/x
  3. Step 3: Cross multiply
    9,110.76x = 12,568.55 × 5,331.58
  4. Step 4: Simplify right side
    9,110.76x = 67,010,203.15
  5. Step 5: Solve for x
    x = 67,010,203.15/9,110.76
  6. Step 6: Final answer
    x = 7,355.07

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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.