Home / 4,519.52-6,776.78-1,398.65

Finding the Fourth Proportional to 4,519.52, 6,776.78 and 1,398.65

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Solution

The fourth proportional to 4,519.52, 6,776.78 and 1,398.65 is: 2,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.52 : 6,776.78 = 1,398.65 : x
  2. Step 2: Convert to fraction form
    4,519.52/6,776.78 = 1,398.65/x
  3. Step 3: Cross multiply
    4,519.52x = 6,776.78 × 1,398.65
  4. Step 4: Simplify right side
    4,519.52x = 9,478,343.35
  5. Step 5: Solve for x
    x = 9,478,343.35/4,519.52
  6. Step 6: Final answer
    x = 2,097.20

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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.