Home / 3,709.11-5,535.51-3,558.40

Finding the Fourth Proportional to 3,709.11, 5,535.51 and 3,558.40

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Solution

The fourth proportional to 3,709.11, 5,535.51 and 3,558.40 is: 5,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.11 : 5,535.51 = 3,558.40 : x
  2. Step 2: Convert to fraction form
    3,709.11/5,535.51 = 3,558.40/x
  3. Step 3: Cross multiply
    3,709.11x = 5,535.51 × 3,558.40
  4. Step 4: Simplify right side
    3,709.11x = 19,697,531.60
  5. Step 5: Solve for x
    x = 19,697,531.60/3,709.11
  6. Step 6: Final answer
    x = 5,310.58

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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.