Home / 7,479.14-11,214.96-2,547.05

Finding the Fourth Proportional to 7,479.14, 11,214.96 and 2,547.05

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Solution

The fourth proportional to 7,479.14, 11,214.96 and 2,547.05 is: 3,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.14 : 11,214.96 = 2,547.05 : x
  2. Step 2: Convert to fraction form
    7,479.14/11,214.96 = 2,547.05/x
  3. Step 3: Cross multiply
    7,479.14x = 11,214.96 × 2,547.05
  4. Step 4: Simplify right side
    7,479.14x = 28,564,998.24
  5. Step 5: Solve for x
    x = 28,564,998.24/7,479.14
  6. Step 6: Final answer
    x = 3,819.29

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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.