Home / 6,218.74-9,328.12-1,835.86

Finding the Fourth Proportional to 6,218.74, 9,328.12 and 1,835.86

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Solution

The fourth proportional to 6,218.74, 9,328.12 and 1,835.86 is: 2,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.74 : 9,328.12 = 1,835.86 : x
  2. Step 2: Convert to fraction form
    6,218.74/9,328.12 = 1,835.86/x
  3. Step 3: Cross multiply
    6,218.74x = 9,328.12 × 1,835.86
  4. Step 4: Simplify right side
    6,218.74x = 17,125,122.38
  5. Step 5: Solve for x
    x = 17,125,122.38/6,218.74
  6. Step 6: Final answer
    x = 2,753.79

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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.