Home / 8,945.08-12,343.56-4,911.28

Finding the Fourth Proportional to 8,945.08, 12,343.56 and 4,911.28

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Solution

The fourth proportional to 8,945.08, 12,343.56 and 4,911.28 is: 6,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.08 : 12,343.56 = 4,911.28 : x
  2. Step 2: Convert to fraction form
    8,945.08/12,343.56 = 4,911.28/x
  3. Step 3: Cross multiply
    8,945.08x = 12,343.56 × 4,911.28
  4. Step 4: Simplify right side
    8,945.08x = 60,622,679.36
  5. Step 5: Solve for x
    x = 60,622,679.36/8,945.08
  6. Step 6: Final answer
    x = 6,777.21

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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.