Home / 7,827.68-11,746.61-3,389.68

Finding the Fourth Proportional to 7,827.68, 11,746.61 and 3,389.68

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Solution

The fourth proportional to 7,827.68, 11,746.61 and 3,389.68 is: 5,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.68 : 11,746.61 = 3,389.68 : x
  2. Step 2: Convert to fraction form
    7,827.68/11,746.61 = 3,389.68/x
  3. Step 3: Cross multiply
    7,827.68x = 11,746.61 × 3,389.68
  4. Step 4: Simplify right side
    7,827.68x = 39,817,209.03
  5. Step 5: Solve for x
    x = 39,817,209.03/7,827.68
  6. Step 6: Final answer
    x = 5,086.72

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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.