Home / 7,769.49-10,721.88-4,232.69

Finding the Fourth Proportional to 7,769.49, 10,721.88 and 4,232.69

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Solution

The fourth proportional to 7,769.49, 10,721.88 and 4,232.69 is: 5,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.49 : 10,721.88 = 4,232.69 : x
  2. Step 2: Convert to fraction form
    7,769.49/10,721.88 = 4,232.69/x
  3. Step 3: Cross multiply
    7,769.49x = 10,721.88 × 4,232.69
  4. Step 4: Simplify right side
    7,769.49x = 45,382,421.06
  5. Step 5: Solve for x
    x = 45,382,421.06/7,769.49
  6. Step 6: Final answer
    x = 5,841.11

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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.