Home / 6,122.46-8,451.88-3,603.76

Finding the Fourth Proportional to 6,122.46, 8,451.88 and 3,603.76

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Solution

The fourth proportional to 6,122.46, 8,451.88 and 3,603.76 is: 4,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.46 : 8,451.88 = 3,603.76 : x
  2. Step 2: Convert to fraction form
    6,122.46/8,451.88 = 3,603.76/x
  3. Step 3: Cross multiply
    6,122.46x = 8,451.88 × 3,603.76
  4. Step 4: Simplify right side
    6,122.46x = 30,458,547.07
  5. Step 5: Solve for x
    x = 30,458,547.07/6,122.46
  6. Step 6: Final answer
    x = 4,974.89

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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.