Home / 5,094.90-7,031.88-2,971.76

Finding the Fourth Proportional to 5,094.90, 7,031.88 and 2,971.76

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Solution

The fourth proportional to 5,094.90, 7,031.88 and 2,971.76 is: 4,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.90 : 7,031.88 = 2,971.76 : x
  2. Step 2: Convert to fraction form
    5,094.90/7,031.88 = 2,971.76/x
  3. Step 3: Cross multiply
    5,094.90x = 7,031.88 × 2,971.76
  4. Step 4: Simplify right side
    5,094.90x = 20,897,024.55
  5. Step 5: Solve for x
    x = 20,897,024.55/5,094.90
  6. Step 6: Final answer
    x = 4,101.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.