Home / 7,031.91-10,549.38-2,101.95

Finding the Fourth Proportional to 7,031.91, 10,549.38 and 2,101.95

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Solution

The fourth proportional to 7,031.91, 10,549.38 and 2,101.95 is: 3,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.91 : 10,549.38 = 2,101.95 : x
  2. Step 2: Convert to fraction form
    7,031.91/10,549.38 = 2,101.95/x
  3. Step 3: Cross multiply
    7,031.91x = 10,549.38 × 2,101.95
  4. Step 4: Simplify right side
    7,031.91x = 22,174,269.29
  5. Step 5: Solve for x
    x = 22,174,269.29/7,031.91
  6. Step 6: Final answer
    x = 3,153.38

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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.