Home / 7,031.34-10,548.41-2,871.36

Finding the Fourth Proportional to 7,031.34, 10,548.41 and 2,871.36

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Solution

The fourth proportional to 7,031.34, 10,548.41 and 2,871.36 is: 4,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.34 : 10,548.41 = 2,871.36 : x
  2. Step 2: Convert to fraction form
    7,031.34/10,548.41 = 2,871.36/x
  3. Step 3: Cross multiply
    7,031.34x = 10,548.41 × 2,871.36
  4. Step 4: Simplify right side
    7,031.34x = 30,288,268.18
  5. Step 5: Solve for x
    x = 30,288,268.18/7,031.34
  6. Step 6: Final answer
    x = 4,307.61

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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.