Home / 7,218.32-10,816.31-4,869.11

Finding the Fourth Proportional to 7,218.32, 10,816.31 and 4,869.11

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Solution

The fourth proportional to 7,218.32, 10,816.31 and 4,869.11 is: 7,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.32 : 10,816.31 = 4,869.11 : x
  2. Step 2: Convert to fraction form
    7,218.32/10,816.31 = 4,869.11/x
  3. Step 3: Cross multiply
    7,218.32x = 10,816.31 × 4,869.11
  4. Step 4: Simplify right side
    7,218.32x = 52,665,724.76
  5. Step 5: Solve for x
    x = 52,665,724.76/7,218.32
  6. Step 6: Final answer
    x = 7,296.12

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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.