Home / 10,475.84-15,712.80-3,549.44

Finding the Fourth Proportional to 10,475.84, 15,712.80 and 3,549.44

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Solution

The fourth proportional to 10,475.84, 15,712.80 and 3,549.44 is: 5,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.84 : 15,712.80 = 3,549.44 : x
  2. Step 2: Convert to fraction form
    10,475.84/15,712.80 = 3,549.44/x
  3. Step 3: Cross multiply
    10,475.84x = 15,712.80 × 3,549.44
  4. Step 4: Simplify right side
    10,475.84x = 55,771,640.83
  5. Step 5: Solve for x
    x = 55,771,640.83/10,475.84
  6. Step 6: Final answer
    x = 5,323.83

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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.