Home / 9,143.55-13,715.84-2,569.22

Finding the Fourth Proportional to 9,143.55, 13,715.84 and 2,569.22

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Solution

The fourth proportional to 9,143.55, 13,715.84 and 2,569.22 is: 3,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.55 : 13,715.84 = 2,569.22 : x
  2. Step 2: Convert to fraction form
    9,143.55/13,715.84 = 2,569.22/x
  3. Step 3: Cross multiply
    9,143.55x = 13,715.84 × 2,569.22
  4. Step 4: Simplify right side
    9,143.55x = 35,239,031.89
  5. Step 5: Solve for x
    x = 35,239,031.89/9,143.55
  6. Step 6: Final answer
    x = 3,853.98

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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.