Home / 7,031.86-10,549.72-2,101.66

Finding the Fourth Proportional to 7,031.86, 10,549.72 and 2,101.66

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Solution

The fourth proportional to 7,031.86, 10,549.72 and 2,101.66 is: 3,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.86 : 10,549.72 = 2,101.66 : x
  2. Step 2: Convert to fraction form
    7,031.86/10,549.72 = 2,101.66/x
  3. Step 3: Cross multiply
    7,031.86x = 10,549.72 × 2,101.66
  4. Step 4: Simplify right side
    7,031.86x = 22,171,924.54
  5. Step 5: Solve for x
    x = 22,171,924.54/7,031.86
  6. Step 6: Final answer
    x = 3,153.07

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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.