Home / 6,389.06-8,820.08-4,950.19

Finding the Fourth Proportional to 6,389.06, 8,820.08 and 4,950.19

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Solution

The fourth proportional to 6,389.06, 8,820.08 and 4,950.19 is: 6,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.06 : 8,820.08 = 4,950.19 : x
  2. Step 2: Convert to fraction form
    6,389.06/8,820.08 = 4,950.19/x
  3. Step 3: Cross multiply
    6,389.06x = 8,820.08 × 4,950.19
  4. Step 4: Simplify right side
    6,389.06x = 43,661,115.38
  5. Step 5: Solve for x
    x = 43,661,115.38/6,389.06
  6. Step 6: Final answer
    x = 6,833.73

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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.