Home / 3,750.21-5,625.32-1,153.13

Finding the Fourth Proportional to 3,750.21, 5,625.32 and 1,153.13

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Solution

The fourth proportional to 3,750.21, 5,625.32 and 1,153.13 is: 1,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.21 : 5,625.32 = 1,153.13 : x
  2. Step 2: Convert to fraction form
    3,750.21/5,625.32 = 1,153.13/x
  3. Step 3: Cross multiply
    3,750.21x = 5,625.32 × 1,153.13
  4. Step 4: Simplify right side
    3,750.21x = 6,486,691.36
  5. Step 5: Solve for x
    x = 6,486,691.36/3,750.21
  6. Step 6: Final answer
    x = 1,729.69

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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.