Home / 6,642.83-9,167.99-4,291.81

Finding the Fourth Proportional to 6,642.83, 9,167.99 and 4,291.81

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Solution

The fourth proportional to 6,642.83, 9,167.99 and 4,291.81 is: 5,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.83 : 9,167.99 = 4,291.81 : x
  2. Step 2: Convert to fraction form
    6,642.83/9,167.99 = 4,291.81/x
  3. Step 3: Cross multiply
    6,642.83x = 9,167.99 × 4,291.81
  4. Step 4: Simplify right side
    6,642.83x = 39,347,226.78
  5. Step 5: Solve for x
    x = 39,347,226.78/6,642.83
  6. Step 6: Final answer
    x = 5,923.26

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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.