Home / 7,869.95-11,808.92-4,359.27

Finding the Fourth Proportional to 7,869.95, 11,808.92 and 4,359.27

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Solution

The fourth proportional to 7,869.95, 11,808.92 and 4,359.27 is: 6,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.95 : 11,808.92 = 4,359.27 : x
  2. Step 2: Convert to fraction form
    7,869.95/11,808.92 = 4,359.27/x
  3. Step 3: Cross multiply
    7,869.95x = 11,808.92 × 4,359.27
  4. Step 4: Simplify right side
    7,869.95x = 51,478,270.69
  5. Step 5: Solve for x
    x = 51,478,270.69/7,869.95
  6. Step 6: Final answer
    x = 6,541.12

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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.