Home / 5,319.54-7,342.61-3,640.28

Finding the Fourth Proportional to 5,319.54, 7,342.61 and 3,640.28

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Solution

The fourth proportional to 5,319.54, 7,342.61 and 3,640.28 is: 5,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.54 : 7,342.61 = 3,640.28 : x
  2. Step 2: Convert to fraction form
    5,319.54/7,342.61 = 3,640.28/x
  3. Step 3: Cross multiply
    5,319.54x = 7,342.61 × 3,640.28
  4. Step 4: Simplify right side
    5,319.54x = 26,729,101.42
  5. Step 5: Solve for x
    x = 26,729,101.42/5,319.54
  6. Step 6: Final answer
    x = 5,024.70

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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.