Home / 4,275.12-5,902.34-3,278.48

Finding the Fourth Proportional to 4,275.12, 5,902.34 and 3,278.48

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Solution

The fourth proportional to 4,275.12, 5,902.34 and 3,278.48 is: 4,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.12 : 5,902.34 = 3,278.48 : x
  2. Step 2: Convert to fraction form
    4,275.12/5,902.34 = 3,278.48/x
  3. Step 3: Cross multiply
    4,275.12x = 5,902.34 × 3,278.48
  4. Step 4: Simplify right side
    4,275.12x = 19,350,702.01
  5. Step 5: Solve for x
    x = 19,350,702.01/4,275.12
  6. Step 6: Final answer
    x = 4,526.35

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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.