Home / 7,764.84-10,719.09-4,577.13

Finding the Fourth Proportional to 7,764.84, 10,719.09 and 4,577.13

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Solution

The fourth proportional to 7,764.84, 10,719.09 and 4,577.13 is: 6,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.84 : 10,719.09 = 4,577.13 : x
  2. Step 2: Convert to fraction form
    7,764.84/10,719.09 = 4,577.13/x
  3. Step 3: Cross multiply
    7,764.84x = 10,719.09 × 4,577.13
  4. Step 4: Simplify right side
    7,764.84x = 49,062,668.41
  5. Step 5: Solve for x
    x = 49,062,668.41/7,764.84
  6. Step 6: Final answer
    x = 6,318.57

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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.