Home / 7,541.70-11,316.96-3,158.79

Finding the Fourth Proportional to 7,541.70, 11,316.96 and 3,158.79

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Solution

The fourth proportional to 7,541.70, 11,316.96 and 3,158.79 is: 4,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.70 : 11,316.96 = 3,158.79 : x
  2. Step 2: Convert to fraction form
    7,541.70/11,316.96 = 3,158.79/x
  3. Step 3: Cross multiply
    7,541.70x = 11,316.96 × 3,158.79
  4. Step 4: Simplify right side
    7,541.70x = 35,747,900.08
  5. Step 5: Solve for x
    x = 35,747,900.08/7,541.70
  6. Step 6: Final answer
    x = 4,740.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.