Home / 5,728.16-7,904.88-3,339.55

Finding the Fourth Proportional to 5,728.16, 7,904.88 and 3,339.55

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Solution

The fourth proportional to 5,728.16, 7,904.88 and 3,339.55 is: 4,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.16 : 7,904.88 = 3,339.55 : x
  2. Step 2: Convert to fraction form
    5,728.16/7,904.88 = 3,339.55/x
  3. Step 3: Cross multiply
    5,728.16x = 7,904.88 × 3,339.55
  4. Step 4: Simplify right side
    5,728.16x = 26,398,685.78
  5. Step 5: Solve for x
    x = 26,398,685.78/5,728.16
  6. Step 6: Final answer
    x = 4,608.58

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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.