Home / 6,276.15-9,418.28-3,643.65

Finding the Fourth Proportional to 6,276.15, 9,418.28 and 3,643.65

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Solution

The fourth proportional to 6,276.15, 9,418.28 and 3,643.65 is: 5,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.15 : 9,418.28 = 3,643.65 : x
  2. Step 2: Convert to fraction form
    6,276.15/9,418.28 = 3,643.65/x
  3. Step 3: Cross multiply
    6,276.15x = 9,418.28 × 3,643.65
  4. Step 4: Simplify right side
    6,276.15x = 34,316,897.70
  5. Step 5: Solve for x
    x = 34,316,897.70/6,276.15
  6. Step 6: Final answer
    x = 5,467.83

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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.