Home / 6,511.77-9,767.62-1,581.43

Finding the Fourth Proportional to 6,511.77, 9,767.62 and 1,581.43

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Solution

The fourth proportional to 6,511.77, 9,767.62 and 1,581.43 is: 2,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.77 : 9,767.62 = 1,581.43 : x
  2. Step 2: Convert to fraction form
    6,511.77/9,767.62 = 1,581.43/x
  3. Step 3: Cross multiply
    6,511.77x = 9,767.62 × 1,581.43
  4. Step 4: Simplify right side
    6,511.77x = 15,446,807.30
  5. Step 5: Solve for x
    x = 15,446,807.30/6,511.77
  6. Step 6: Final answer
    x = 2,372.14

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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.