Home / 5,031.47-7,546.03-1,911.85

Finding the Fourth Proportional to 5,031.47, 7,546.03 and 1,911.85

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Solution

The fourth proportional to 5,031.47, 7,546.03 and 1,911.85 is: 2,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.47 : 7,546.03 = 1,911.85 : x
  2. Step 2: Convert to fraction form
    5,031.47/7,546.03 = 1,911.85/x
  3. Step 3: Cross multiply
    5,031.47x = 7,546.03 × 1,911.85
  4. Step 4: Simplify right side
    5,031.47x = 14,426,877.46
  5. Step 5: Solve for x
    x = 14,426,877.46/5,031.47
  6. Step 6: Final answer
    x = 2,867.33

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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.