Home / 5,021.48-6,930-3,031.93

Finding the Fourth Proportional to 5,021.48, 6,930 and 3,031.93

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Solution

The fourth proportional to 5,021.48, 6,930 and 3,031.93 is: 4,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.48 : 6,930 = 3,031.93 : x
  2. Step 2: Convert to fraction form
    5,021.48/6,930 = 3,031.93/x
  3. Step 3: Cross multiply
    5,021.48x = 6,930 × 3,031.93
  4. Step 4: Simplify right side
    5,021.48x = 21,011,274.90
  5. Step 5: Solve for x
    x = 21,011,274.90/5,021.48
  6. Step 6: Final answer
    x = 4,184.28

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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.