Home / 6,418.18-8,856.57-3,585.33

Finding the Fourth Proportional to 6,418.18, 8,856.57 and 3,585.33

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Solution

The fourth proportional to 6,418.18, 8,856.57 and 3,585.33 is: 4,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.18 : 8,856.57 = 3,585.33 : x
  2. Step 2: Convert to fraction form
    6,418.18/8,856.57 = 3,585.33/x
  3. Step 3: Cross multiply
    6,418.18x = 8,856.57 × 3,585.33
  4. Step 4: Simplify right side
    6,418.18x = 31,753,726.12
  5. Step 5: Solve for x
    x = 31,753,726.12/6,418.18
  6. Step 6: Final answer
    x = 4,947.47

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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.