Home / 4,385.17-6,578.81-1,265.11

Finding the Fourth Proportional to 4,385.17, 6,578.81 and 1,265.11

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Solution

The fourth proportional to 4,385.17, 6,578.81 and 1,265.11 is: 1,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.17 : 6,578.81 = 1,265.11 : x
  2. Step 2: Convert to fraction form
    4,385.17/6,578.81 = 1,265.11/x
  3. Step 3: Cross multiply
    4,385.17x = 6,578.81 × 1,265.11
  4. Step 4: Simplify right side
    4,385.17x = 8,322,918.32
  5. Step 5: Solve for x
    x = 8,322,918.32/4,385.17
  6. Step 6: Final answer
    x = 1,897.97

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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.