Home / 6,281.65-9,419.74-3,159.71

Finding the Fourth Proportional to 6,281.65, 9,419.74 and 3,159.71

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Solution

The fourth proportional to 6,281.65, 9,419.74 and 3,159.71 is: 4,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.65 : 9,419.74 = 3,159.71 : x
  2. Step 2: Convert to fraction form
    6,281.65/9,419.74 = 3,159.71/x
  3. Step 3: Cross multiply
    6,281.65x = 9,419.74 × 3,159.71
  4. Step 4: Simplify right side
    6,281.65x = 29,763,646.68
  5. Step 5: Solve for x
    x = 29,763,646.68/6,281.65
  6. Step 6: Final answer
    x = 4,738.19

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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.