Home / 5,569.84-8,353.30-1,871.31

Finding the Fourth Proportional to 5,569.84, 8,353.30 and 1,871.31

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Solution

The fourth proportional to 5,569.84, 8,353.30 and 1,871.31 is: 2,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.84 : 8,353.30 = 1,871.31 : x
  2. Step 2: Convert to fraction form
    5,569.84/8,353.30 = 1,871.31/x
  3. Step 3: Cross multiply
    5,569.84x = 8,353.30 × 1,871.31
  4. Step 4: Simplify right side
    5,569.84x = 15,631,613.82
  5. Step 5: Solve for x
    x = 15,631,613.82/5,569.84
  6. Step 6: Final answer
    x = 2,806.47

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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.