Home / 7,547.19-11,324.55-3,390.17

Finding the Fourth Proportional to 7,547.19, 11,324.55 and 3,390.17

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Solution

The fourth proportional to 7,547.19, 11,324.55 and 3,390.17 is: 5,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.19 : 11,324.55 = 3,390.17 : x
  2. Step 2: Convert to fraction form
    7,547.19/11,324.55 = 3,390.17/x
  3. Step 3: Cross multiply
    7,547.19x = 11,324.55 × 3,390.17
  4. Step 4: Simplify right side
    7,547.19x = 38,392,093.05
  5. Step 5: Solve for x
    x = 38,392,093.05/7,547.19
  6. Step 6: Final answer
    x = 5,086.94

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1.5x scale

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.