Home / 5,240.95-7,233.12-3,003.55

Finding the Fourth Proportional to 5,240.95, 7,233.12 and 3,003.55

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Solution

The fourth proportional to 5,240.95, 7,233.12 and 3,003.55 is: 4,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.95 : 7,233.12 = 3,003.55 : x
  2. Step 2: Convert to fraction form
    5,240.95/7,233.12 = 3,003.55/x
  3. Step 3: Cross multiply
    5,240.95x = 7,233.12 × 3,003.55
  4. Step 4: Simplify right side
    5,240.95x = 21,725,037.58
  5. Step 5: Solve for x
    x = 21,725,037.58/5,240.95
  6. Step 6: Final answer
    x = 4,145.25

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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.