Home / 6,385.47-9,578.25-2,225.55

Finding the Fourth Proportional to 6,385.47, 9,578.25 and 2,225.55

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Solution

The fourth proportional to 6,385.47, 9,578.25 and 2,225.55 is: 3,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.47 : 9,578.25 = 2,225.55 : x
  2. Step 2: Convert to fraction form
    6,385.47/9,578.25 = 2,225.55/x
  3. Step 3: Cross multiply
    6,385.47x = 9,578.25 × 2,225.55
  4. Step 4: Simplify right side
    6,385.47x = 21,316,874.29
  5. Step 5: Solve for x
    x = 21,316,874.29/6,385.47
  6. Step 6: Final answer
    x = 3,338.34

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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.