Home / 4,420-6,629.65-2,569.93

Finding the Fourth Proportional to 4,420, 6,629.65 and 2,569.93

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Solution

The fourth proportional to 4,420, 6,629.65 and 2,569.93 is: 3,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420 : 6,629.65 = 2,569.93 : x
  2. Step 2: Convert to fraction form
    4,420/6,629.65 = 2,569.93/x
  3. Step 3: Cross multiply
    4,420x = 6,629.65 × 2,569.93
  4. Step 4: Simplify right side
    4,420x = 17,037,736.42
  5. Step 5: Solve for x
    x = 17,037,736.42/4,420
  6. Step 6: Final answer
    x = 3,854.69

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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.