Home / 7,769.38-10,722.02-4,412.10

Finding the Fourth Proportional to 7,769.38, 10,722.02 and 4,412.10

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Solution

The fourth proportional to 7,769.38, 10,722.02 and 4,412.10 is: 6,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.38 : 10,722.02 = 4,412.10 : x
  2. Step 2: Convert to fraction form
    7,769.38/10,722.02 = 4,412.10/x
  3. Step 3: Cross multiply
    7,769.38x = 10,722.02 × 4,412.10
  4. Step 4: Simplify right side
    7,769.38x = 47,306,624.44
  5. Step 5: Solve for x
    x = 47,306,624.44/7,769.38
  6. Step 6: Final answer
    x = 6,088.85

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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.