Home / 7,245.18-10,864.10-3,541.86

Finding the Fourth Proportional to 7,245.18, 10,864.10 and 3,541.86

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Solution

The fourth proportional to 7,245.18, 10,864.10 and 3,541.86 is: 5,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.18 : 10,864.10 = 3,541.86 : x
  2. Step 2: Convert to fraction form
    7,245.18/10,864.10 = 3,541.86/x
  3. Step 3: Cross multiply
    7,245.18x = 10,864.10 × 3,541.86
  4. Step 4: Simplify right side
    7,245.18x = 38,479,121.23
  5. Step 5: Solve for x
    x = 38,479,121.23/7,245.18
  6. Step 6: Final answer
    x = 5,311.00

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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.