Home / 9,132.79-12,606.35-5,549.75

Finding the Fourth Proportional to 9,132.79, 12,606.35 and 5,549.75

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Solution

The fourth proportional to 9,132.79, 12,606.35 and 5,549.75 is: 7,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.79 : 12,606.35 = 5,549.75 : x
  2. Step 2: Convert to fraction form
    9,132.79/12,606.35 = 5,549.75/x
  3. Step 3: Cross multiply
    9,132.79x = 12,606.35 × 5,549.75
  4. Step 4: Simplify right side
    9,132.79x = 69,962,094.68
  5. Step 5: Solve for x
    x = 69,962,094.68/9,132.79
  6. Step 6: Final answer
    x = 7,660.54

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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.