Home / 4,068.80-5,611.85-3,502.57

Finding the Fourth Proportional to 4,068.80, 5,611.85 and 3,502.57

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Solution

The fourth proportional to 4,068.80, 5,611.85 and 3,502.57 is: 4,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.80 : 5,611.85 = 3,502.57 : x
  2. Step 2: Convert to fraction form
    4,068.80/5,611.85 = 3,502.57/x
  3. Step 3: Cross multiply
    4,068.80x = 5,611.85 × 3,502.57
  4. Step 4: Simplify right side
    4,068.80x = 19,655,876.43
  5. Step 5: Solve for x
    x = 19,655,876.43/4,068.80
  6. Step 6: Final answer
    x = 4,830.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.