Home / 6,611.38-9,123.70-3,816.88

Finding the Fourth Proportional to 6,611.38, 9,123.70 and 3,816.88

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Solution

The fourth proportional to 6,611.38, 9,123.70 and 3,816.88 is: 5,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.38 : 9,123.70 = 3,816.88 : x
  2. Step 2: Convert to fraction form
    6,611.38/9,123.70 = 3,816.88/x
  3. Step 3: Cross multiply
    6,611.38x = 9,123.70 × 3,816.88
  4. Step 4: Simplify right side
    6,611.38x = 34,824,068.06
  5. Step 5: Solve for x
    x = 34,824,068.06/6,611.38
  6. Step 6: Final answer
    x = 5,267.29

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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.