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Finding the Fourth Proportional to 6,160.80, 9,248.40 and 3,530.40

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Solution

The fourth proportional to 6,160.80, 9,248.40 and 3,530.40 is: 5,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.80 : 9,248.40 = 3,530.40 : x
  2. Step 2: Convert to fraction form
    6,160.80/9,248.40 = 3,530.40/x
  3. Step 3: Cross multiply
    6,160.80x = 9,248.40 × 3,530.40
  4. Step 4: Simplify right side
    6,160.80x = 32,650,551.36
  5. Step 5: Solve for x
    x = 32,650,551.36/6,160.80
  6. Step 6: Final answer
    x = 5,299.73

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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.