Home / 7,541.20-11,316.21-3,158.29

Finding the Fourth Proportional to 7,541.20, 11,316.21 and 3,158.29

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Solution

The fourth proportional to 7,541.20, 11,316.21 and 3,158.29 is: 4,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.20 : 11,316.21 = 3,158.29 : x
  2. Step 2: Convert to fraction form
    7,541.20/11,316.21 = 3,158.29/x
  3. Step 3: Cross multiply
    7,541.20x = 11,316.21 × 3,158.29
  4. Step 4: Simplify right side
    7,541.20x = 35,739,872.88
  5. Step 5: Solve for x
    x = 35,739,872.88/7,541.20
  6. Step 6: Final answer
    x = 4,739.28

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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.