Home / 7,769.80-10,719.76-4,538.88

Finding the Fourth Proportional to 7,769.80, 10,719.76 and 4,538.88

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Solution

The fourth proportional to 7,769.80, 10,719.76 and 4,538.88 is: 6,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.80 : 10,719.76 = 4,538.88 : x
  2. Step 2: Convert to fraction form
    7,769.80/10,719.76 = 4,538.88/x
  3. Step 3: Cross multiply
    7,769.80x = 10,719.76 × 4,538.88
  4. Step 4: Simplify right side
    7,769.80x = 48,655,704.27
  5. Step 5: Solve for x
    x = 48,655,704.27/7,769.80
  6. Step 6: Final answer
    x = 6,262.16

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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.