Home / 5,913.04-8,869.56-1,811.92

Finding the Fourth Proportional to 5,913.04, 8,869.56 and 1,811.92

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Solution

The fourth proportional to 5,913.04, 8,869.56 and 1,811.92 is: 2,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.04 : 8,869.56 = 1,811.92 : x
  2. Step 2: Convert to fraction form
    5,913.04/8,869.56 = 1,811.92/x
  3. Step 3: Cross multiply
    5,913.04x = 8,869.56 × 1,811.92
  4. Step 4: Simplify right side
    5,913.04x = 16,070,933.16
  5. Step 5: Solve for x
    x = 16,070,933.16/5,913.04
  6. Step 6: Final answer
    x = 2,717.88

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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.