Home / 8,256.78-11,389.32-4,897.34

Finding the Fourth Proportional to 8,256.78, 11,389.32 and 4,897.34

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Solution

The fourth proportional to 8,256.78, 11,389.32 and 4,897.34 is: 6,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.78 : 11,389.32 = 4,897.34 : x
  2. Step 2: Convert to fraction form
    8,256.78/11,389.32 = 4,897.34/x
  3. Step 3: Cross multiply
    8,256.78x = 11,389.32 × 4,897.34
  4. Step 4: Simplify right side
    8,256.78x = 55,777,374.11
  5. Step 5: Solve for x
    x = 55,777,374.11/8,256.78
  6. Step 6: Final answer
    x = 6,755.34

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1.5x scale

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.