Home / 4,931.69-6,808.12-3,166.29

Finding the Fourth Proportional to 4,931.69, 6,808.12 and 3,166.29

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Solution

The fourth proportional to 4,931.69, 6,808.12 and 3,166.29 is: 4,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.69 : 6,808.12 = 3,166.29 : x
  2. Step 2: Convert to fraction form
    4,931.69/6,808.12 = 3,166.29/x
  3. Step 3: Cross multiply
    4,931.69x = 6,808.12 × 3,166.29
  4. Step 4: Simplify right side
    4,931.69x = 21,556,474.36
  5. Step 5: Solve for x
    x = 21,556,474.36/4,931.69
  6. Step 6: Final answer
    x = 4,371.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.