Home / 7,210.31-10,816.01-4,089.11

Finding the Fourth Proportional to 7,210.31, 10,816.01 and 4,089.11

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Solution

The fourth proportional to 7,210.31, 10,816.01 and 4,089.11 is: 6,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.31 : 10,816.01 = 4,089.11 : x
  2. Step 2: Convert to fraction form
    7,210.31/10,816.01 = 4,089.11/x
  3. Step 3: Cross multiply
    7,210.31x = 10,816.01 × 4,089.11
  4. Step 4: Simplify right side
    7,210.31x = 44,227,891.91
  5. Step 5: Solve for x
    x = 44,227,891.91/7,210.31
  6. Step 6: Final answer
    x = 6,133.98

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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.