Home / 9,479.22-13,081.68-5,288.28

Finding the Fourth Proportional to 9,479.22, 13,081.68 and 5,288.28

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Solution

The fourth proportional to 9,479.22, 13,081.68 and 5,288.28 is: 7,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.22 : 13,081.68 = 5,288.28 : x
  2. Step 2: Convert to fraction form
    9,479.22/13,081.68 = 5,288.28/x
  3. Step 3: Cross multiply
    9,479.22x = 13,081.68 × 5,288.28
  4. Step 4: Simplify right side
    9,479.22x = 69,179,586.71
  5. Step 5: Solve for x
    x = 69,179,586.71/9,479.22
  6. Step 6: Final answer
    x = 7,298.03

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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.