Home / 4,911.66-6,779.16-2,922.57

Finding the Fourth Proportional to 4,911.66, 6,779.16 and 2,922.57

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Solution

The fourth proportional to 4,911.66, 6,779.16 and 2,922.57 is: 4,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.66 : 6,779.16 = 2,922.57 : x
  2. Step 2: Convert to fraction form
    4,911.66/6,779.16 = 2,922.57/x
  3. Step 3: Cross multiply
    4,911.66x = 6,779.16 × 2,922.57
  4. Step 4: Simplify right side
    4,911.66x = 19,812,569.64
  5. Step 5: Solve for x
    x = 19,812,569.64/4,911.66
  6. Step 6: Final answer
    x = 4,033.78

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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.