Home / 6,277.24-9,415.62-2,117.15

Finding the Fourth Proportional to 6,277.24, 9,415.62 and 2,117.15

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Solution

The fourth proportional to 6,277.24, 9,415.62 and 2,117.15 is: 3,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.24 : 9,415.62 = 2,117.15 : x
  2. Step 2: Convert to fraction form
    6,277.24/9,415.62 = 2,117.15/x
  3. Step 3: Cross multiply
    6,277.24x = 9,415.62 × 2,117.15
  4. Step 4: Simplify right side
    6,277.24x = 19,934,279.88
  5. Step 5: Solve for x
    x = 19,934,279.88/6,277.24
  6. Step 6: Final answer
    x = 3,175.64

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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.