Home / 5,689.74-8,528.77-2,178.93

Finding the Fourth Proportional to 5,689.74, 8,528.77 and 2,178.93

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Solution

The fourth proportional to 5,689.74, 8,528.77 and 2,178.93 is: 3,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.74 : 8,528.77 = 2,178.93 : x
  2. Step 2: Convert to fraction form
    5,689.74/8,528.77 = 2,178.93/x
  3. Step 3: Cross multiply
    5,689.74x = 8,528.77 × 2,178.93
  4. Step 4: Simplify right side
    5,689.74x = 18,583,592.82
  5. Step 5: Solve for x
    x = 18,583,592.82/5,689.74
  6. Step 6: Final answer
    x = 3,266.16

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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.