Home / 6,617.18-9,925.83-2,720.06

Finding the Fourth Proportional to 6,617.18, 9,925.83 and 2,720.06

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Solution

The fourth proportional to 6,617.18, 9,925.83 and 2,720.06 is: 4,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.18 : 9,925.83 = 2,720.06 : x
  2. Step 2: Convert to fraction form
    6,617.18/9,925.83 = 2,720.06/x
  3. Step 3: Cross multiply
    6,617.18x = 9,925.83 × 2,720.06
  4. Step 4: Simplify right side
    6,617.18x = 26,998,853.15
  5. Step 5: Solve for x
    x = 26,998,853.15/6,617.18
  6. Step 6: Final answer
    x = 4,080.11

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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.