Home / 6,279.53-9,419.39-1,897.03

Finding the Fourth Proportional to 6,279.53, 9,419.39 and 1,897.03

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Solution

The fourth proportional to 6,279.53, 9,419.39 and 1,897.03 is: 2,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.53 : 9,419.39 = 1,897.03 : x
  2. Step 2: Convert to fraction form
    6,279.53/9,419.39 = 1,897.03/x
  3. Step 3: Cross multiply
    6,279.53x = 9,419.39 × 1,897.03
  4. Step 4: Simplify right side
    6,279.53x = 17,868,808.83
  5. Step 5: Solve for x
    x = 17,868,808.83/6,279.53
  6. Step 6: Final answer
    x = 2,845.56

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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.