Home / 9,177.19-13,765.78-2,603.43

Finding the Fourth Proportional to 9,177.19, 13,765.78 and 2,603.43

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Solution

The fourth proportional to 9,177.19, 13,765.78 and 2,603.43 is: 3,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.19 : 13,765.78 = 2,603.43 : x
  2. Step 2: Convert to fraction form
    9,177.19/13,765.78 = 2,603.43/x
  3. Step 3: Cross multiply
    9,177.19x = 13,765.78 × 2,603.43
  4. Step 4: Simplify right side
    9,177.19x = 35,838,272.53
  5. Step 5: Solve for x
    x = 35,838,272.53/9,177.19
  6. Step 6: Final answer
    x = 3,905.15

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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.