Home / 9,277.52-13,921.68-3,438.20

Finding the Fourth Proportional to 9,277.52, 13,921.68 and 3,438.20

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Solution

The fourth proportional to 9,277.52, 13,921.68 and 3,438.20 is: 5,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.52 : 13,921.68 = 3,438.20 : x
  2. Step 2: Convert to fraction form
    9,277.52/13,921.68 = 3,438.20/x
  3. Step 3: Cross multiply
    9,277.52x = 13,921.68 × 3,438.20
  4. Step 4: Simplify right side
    9,277.52x = 47,865,520.18
  5. Step 5: Solve for x
    x = 47,865,520.18/9,277.52
  6. Step 6: Final answer
    x = 5,159.30

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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.