Home / 3,721.02-5,539.40-3,669.18

Finding the Fourth Proportional to 3,721.02, 5,539.40 and 3,669.18

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Solution

The fourth proportional to 3,721.02, 5,539.40 and 3,669.18 is: 5,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.02 : 5,539.40 = 3,669.18 : x
  2. Step 2: Convert to fraction form
    3,721.02/5,539.40 = 3,669.18/x
  3. Step 3: Cross multiply
    3,721.02x = 5,539.40 × 3,669.18
  4. Step 4: Simplify right side
    3,721.02x = 20,325,037.35
  5. Step 5: Solve for x
    x = 20,325,037.35/3,721.02
  6. Step 6: Final answer
    x = 5,462.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.