Home / 6,774.38-9,343.40-5,177.06

Finding the Fourth Proportional to 6,774.38, 9,343.40 and 5,177.06

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Solution

The fourth proportional to 6,774.38, 9,343.40 and 5,177.06 is: 7,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.38 : 9,343.40 = 5,177.06 : x
  2. Step 2: Convert to fraction form
    6,774.38/9,343.40 = 5,177.06/x
  3. Step 3: Cross multiply
    6,774.38x = 9,343.40 × 5,177.06
  4. Step 4: Simplify right side
    6,774.38x = 48,371,269.80
  5. Step 5: Solve for x
    x = 48,371,269.80/6,774.38
  6. Step 6: Final answer
    x = 7,140.33

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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.