Home / 8,160.59-11,258.38-5,327.05

Finding the Fourth Proportional to 8,160.59, 11,258.38 and 5,327.05

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Solution

The fourth proportional to 8,160.59, 11,258.38 and 5,327.05 is: 7,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.59 : 11,258.38 = 5,327.05 : x
  2. Step 2: Convert to fraction form
    8,160.59/11,258.38 = 5,327.05/x
  3. Step 3: Cross multiply
    8,160.59x = 11,258.38 × 5,327.05
  4. Step 4: Simplify right side
    8,160.59x = 59,973,992.81
  5. Step 5: Solve for x
    x = 59,973,992.81/8,160.59
  6. Step 6: Final answer
    x = 7,349.23

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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.