Home / 4,319.66-5,958.36-2,640.13

Finding the Fourth Proportional to 4,319.66, 5,958.36 and 2,640.13

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Solution

The fourth proportional to 4,319.66, 5,958.36 and 2,640.13 is: 3,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.66 : 5,958.36 = 2,640.13 : x
  2. Step 2: Convert to fraction form
    4,319.66/5,958.36 = 2,640.13/x
  3. Step 3: Cross multiply
    4,319.66x = 5,958.36 × 2,640.13
  4. Step 4: Simplify right side
    4,319.66x = 15,730,830.09
  5. Step 5: Solve for x
    x = 15,730,830.09/4,319.66
  6. Step 6: Final answer
    x = 3,641.68

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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.