Home / 6,416.16-9,625.20-2,718.40

Finding the Fourth Proportional to 6,416.16, 9,625.20 and 2,718.40

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Solution

The fourth proportional to 6,416.16, 9,625.20 and 2,718.40 is: 4,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.16 : 9,625.20 = 2,718.40 : x
  2. Step 2: Convert to fraction form
    6,416.16/9,625.20 = 2,718.40/x
  3. Step 3: Cross multiply
    6,416.16x = 9,625.20 × 2,718.40
  4. Step 4: Simplify right side
    6,416.16x = 26,165,143.68
  5. Step 5: Solve for x
    x = 26,165,143.68/6,416.16
  6. Step 6: Final answer
    x = 4,078.01

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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.