Home / 9,767.71-13,479.34-5,291.19

Finding the Fourth Proportional to 9,767.71, 13,479.34 and 5,291.19

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Solution

The fourth proportional to 9,767.71, 13,479.34 and 5,291.19 is: 7,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.71 : 13,479.34 = 5,291.19 : x
  2. Step 2: Convert to fraction form
    9,767.71/13,479.34 = 5,291.19/x
  3. Step 3: Cross multiply
    9,767.71x = 13,479.34 × 5,291.19
  4. Step 4: Simplify right side
    9,767.71x = 71,321,749.01
  5. Step 5: Solve for x
    x = 71,321,749.01/9,767.71
  6. Step 6: Final answer
    x = 7,301.79

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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.