Home / 5,890.74-8,820.33-3,111.66

Finding the Fourth Proportional to 5,890.74, 8,820.33 and 3,111.66

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Solution

The fourth proportional to 5,890.74, 8,820.33 and 3,111.66 is: 4,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.74 : 8,820.33 = 3,111.66 : x
  2. Step 2: Convert to fraction form
    5,890.74/8,820.33 = 3,111.66/x
  3. Step 3: Cross multiply
    5,890.74x = 8,820.33 × 3,111.66
  4. Step 4: Simplify right side
    5,890.74x = 27,445,868.05
  5. Step 5: Solve for x
    x = 27,445,868.05/5,890.74
  6. Step 6: Final answer
    x = 4,659.15

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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.