Home / 5,929.74-8,186.86-3,806.20

Finding the Fourth Proportional to 5,929.74, 8,186.86 and 3,806.20

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Solution

The fourth proportional to 5,929.74, 8,186.86 and 3,806.20 is: 5,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.74 : 8,186.86 = 3,806.20 : x
  2. Step 2: Convert to fraction form
    5,929.74/8,186.86 = 3,806.20/x
  3. Step 3: Cross multiply
    5,929.74x = 8,186.86 × 3,806.20
  4. Step 4: Simplify right side
    5,929.74x = 31,160,826.53
  5. Step 5: Solve for x
    x = 31,160,826.53/5,929.74
  6. Step 6: Final answer
    x = 5,255.01

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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.