Home / 6,415.18-9,625.74-2,718.28

Finding the Fourth Proportional to 6,415.18, 9,625.74 and 2,718.28

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Solution

The fourth proportional to 6,415.18, 9,625.74 and 2,718.28 is: 4,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.18 : 9,625.74 = 2,718.28 : x
  2. Step 2: Convert to fraction form
    6,415.18/9,625.74 = 2,718.28/x
  3. Step 3: Cross multiply
    6,415.18x = 9,625.74 × 2,718.28
  4. Step 4: Simplify right side
    6,415.18x = 26,165,456.53
  5. Step 5: Solve for x
    x = 26,165,456.53/6,415.18
  6. Step 6: Final answer
    x = 4,078.68

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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.