Home / 7,870.32-11,803.66-2,324.04

Finding the Fourth Proportional to 7,870.32, 11,803.66 and 2,324.04

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Solution

The fourth proportional to 7,870.32, 11,803.66 and 2,324.04 is: 3,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.32 : 11,803.66 = 2,324.04 : x
  2. Step 2: Convert to fraction form
    7,870.32/11,803.66 = 2,324.04/x
  3. Step 3: Cross multiply
    7,870.32x = 11,803.66 × 2,324.04
  4. Step 4: Simplify right side
    7,870.32x = 27,432,177.99
  5. Step 5: Solve for x
    x = 27,432,177.99/7,870.32
  6. Step 6: Final answer
    x = 3,485.52

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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.