Home / 6,418.09-8,857.31-3,585.52

Finding the Fourth Proportional to 6,418.09, 8,857.31 and 3,585.52

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Solution

The fourth proportional to 6,418.09, 8,857.31 and 3,585.52 is: 4,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.09 : 8,857.31 = 3,585.52 : x
  2. Step 2: Convert to fraction form
    6,418.09/8,857.31 = 3,585.52/x
  3. Step 3: Cross multiply
    6,418.09x = 8,857.31 × 3,585.52
  4. Step 4: Simplify right side
    6,418.09x = 31,758,062.15
  5. Step 5: Solve for x
    x = 31,758,062.15/6,418.09
  6. Step 6: Final answer
    x = 4,948.21

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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.