Home / 5,275.69-7,906.55-2,805.19

Finding the Fourth Proportional to 5,275.69, 7,906.55 and 2,805.19

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Solution

The fourth proportional to 5,275.69, 7,906.55 and 2,805.19 is: 4,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.69 : 7,906.55 = 2,805.19 : x
  2. Step 2: Convert to fraction form
    5,275.69/7,906.55 = 2,805.19/x
  3. Step 3: Cross multiply
    5,275.69x = 7,906.55 × 2,805.19
  4. Step 4: Simplify right side
    5,275.69x = 22,179,374.99
  5. Step 5: Solve for x
    x = 22,179,374.99/5,275.69
  6. Step 6: Final answer
    x = 4,204.07

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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.