Home / 3,750.40-5,625.60-3,468.80

Finding the Fourth Proportional to 3,750.40, 5,625.60 and 3,468.80

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Solution

The fourth proportional to 3,750.40, 5,625.60 and 3,468.80 is: 5,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.40 : 5,625.60 = 3,468.80 : x
  2. Step 2: Convert to fraction form
    3,750.40/5,625.60 = 3,468.80/x
  3. Step 3: Cross multiply
    3,750.40x = 5,625.60 × 3,468.80
  4. Step 4: Simplify right side
    3,750.40x = 19,514,081.28
  5. Step 5: Solve for x
    x = 19,514,081.28/3,750.40
  6. Step 6: Final answer
    x = 5,203.20

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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.