Home / 6,776.89-10,159.18-2,619.68

Finding the Fourth Proportional to 6,776.89, 10,159.18 and 2,619.68

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Solution

The fourth proportional to 6,776.89, 10,159.18 and 2,619.68 is: 3,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.89 : 10,159.18 = 2,619.68 : x
  2. Step 2: Convert to fraction form
    6,776.89/10,159.18 = 2,619.68/x
  3. Step 3: Cross multiply
    6,776.89x = 10,159.18 × 2,619.68
  4. Step 4: Simplify right side
    6,776.89x = 26,613,743.32
  5. Step 5: Solve for x
    x = 26,613,743.32/6,776.89
  6. Step 6: Final answer
    x = 3,927.13

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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.