Home / 3,569.40-5,355.72-3,511.08

Finding the Fourth Proportional to 3,569.40, 5,355.72 and 3,511.08

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Solution

The fourth proportional to 3,569.40, 5,355.72 and 3,511.08 is: 5,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.40 : 5,355.72 = 3,511.08 : x
  2. Step 2: Convert to fraction form
    3,569.40/5,355.72 = 3,511.08/x
  3. Step 3: Cross multiply
    3,569.40x = 5,355.72 × 3,511.08
  4. Step 4: Simplify right side
    3,569.40x = 18,804,361.38
  5. Step 5: Solve for x
    x = 18,804,361.38/3,569.40
  6. Step 6: Final answer
    x = 5,268.21

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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.