Home / 4,511.79-6,767.69-3,117.51

Finding the Fourth Proportional to 4,511.79, 6,767.69 and 3,117.51

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Solution

The fourth proportional to 4,511.79, 6,767.69 and 3,117.51 is: 4,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.79 : 6,767.69 = 3,117.51 : x
  2. Step 2: Convert to fraction form
    4,511.79/6,767.69 = 3,117.51/x
  3. Step 3: Cross multiply
    4,511.79x = 6,767.69 × 3,117.51
  4. Step 4: Simplify right side
    4,511.79x = 21,098,325.66
  5. Step 5: Solve for x
    x = 21,098,325.66/4,511.79
  6. Step 6: Final answer
    x = 4,676.27

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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.