Home / 5,240.16-7,863.48-3,555.36

Finding the Fourth Proportional to 5,240.16, 7,863.48 and 3,555.36

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Solution

The fourth proportional to 5,240.16, 7,863.48 and 3,555.36 is: 5,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.16 : 7,863.48 = 3,555.36 : x
  2. Step 2: Convert to fraction form
    5,240.16/7,863.48 = 3,555.36/x
  3. Step 3: Cross multiply
    5,240.16x = 7,863.48 × 3,555.36
  4. Step 4: Simplify right side
    5,240.16x = 27,957,502.25
  5. Step 5: Solve for x
    x = 27,957,502.25/5,240.16
  6. Step 6: Final answer
    x = 5,335.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.