Home / 6,122.65-9,180.60-1,904.76

Finding the Fourth Proportional to 6,122.65, 9,180.60 and 1,904.76

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Solution

The fourth proportional to 6,122.65, 9,180.60 and 1,904.76 is: 2,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.65 : 9,180.60 = 1,904.76 : x
  2. Step 2: Convert to fraction form
    6,122.65/9,180.60 = 1,904.76/x
  3. Step 3: Cross multiply
    6,122.65x = 9,180.60 × 1,904.76
  4. Step 4: Simplify right side
    6,122.65x = 17,486,839.66
  5. Step 5: Solve for x
    x = 17,486,839.66/6,122.65
  6. Step 6: Final answer
    x = 2,856.09

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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.