Home / 7,764.66-10,707.78-5,218.18

Finding the Fourth Proportional to 7,764.66, 10,707.78 and 5,218.18

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Solution

The fourth proportional to 7,764.66, 10,707.78 and 5,218.18 is: 7,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.66 : 10,707.78 = 5,218.18 : x
  2. Step 2: Convert to fraction form
    7,764.66/10,707.78 = 5,218.18/x
  3. Step 3: Cross multiply
    7,764.66x = 10,707.78 × 5,218.18
  4. Step 4: Simplify right side
    7,764.66x = 55,875,123.44
  5. Step 5: Solve for x
    x = 55,875,123.44/7,764.66
  6. Step 6: Final answer
    x = 7,196.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.