Home / 3,625.13-5,435.69-1,125.63

Finding the Fourth Proportional to 3,625.13, 5,435.69 and 1,125.63

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Solution

The fourth proportional to 3,625.13, 5,435.69 and 1,125.63 is: 1,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.13 : 5,435.69 = 1,125.63 : x
  2. Step 2: Convert to fraction form
    3,625.13/5,435.69 = 1,125.63/x
  3. Step 3: Cross multiply
    3,625.13x = 5,435.69 × 1,125.63
  4. Step 4: Simplify right side
    3,625.13x = 6,118,570.11
  5. Step 5: Solve for x
    x = 6,118,570.11/3,625.13
  6. Step 6: Final answer
    x = 1,687.82

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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.