Home / 6,735.20-9,293.16-3,902.40

Finding the Fourth Proportional to 6,735.20, 9,293.16 and 3,902.40

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Solution

The fourth proportional to 6,735.20, 9,293.16 and 3,902.40 is: 5,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,735.20 : 9,293.16 = 3,902.40 : x
  2. Step 2: Convert to fraction form
    6,735.20/9,293.16 = 3,902.40/x
  3. Step 3: Cross multiply
    6,735.20x = 9,293.16 × 3,902.40
  4. Step 4: Simplify right side
    6,735.20x = 36,265,627.58
  5. Step 5: Solve for x
    x = 36,265,627.58/6,735.20
  6. Step 6: Final answer
    x = 5,384.50

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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.