Home / 6,753.42-9,319.65-3,728.58

Finding the Fourth Proportional to 6,753.42, 9,319.65 and 3,728.58

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Solution

The fourth proportional to 6,753.42, 9,319.65 and 3,728.58 is: 5,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.42 : 9,319.65 = 3,728.58 : x
  2. Step 2: Convert to fraction form
    6,753.42/9,319.65 = 3,728.58/x
  3. Step 3: Cross multiply
    6,753.42x = 9,319.65 × 3,728.58
  4. Step 4: Simplify right side
    6,753.42x = 34,749,060.60
  5. Step 5: Solve for x
    x = 34,749,060.60/6,753.42
  6. Step 6: Final answer
    x = 5,145.40

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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.