Home / 8,255.48-11,395.10-4,721.05

Finding the Fourth Proportional to 8,255.48, 11,395.10 and 4,721.05

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Solution

The fourth proportional to 8,255.48, 11,395.10 and 4,721.05 is: 6,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.48 : 11,395.10 = 4,721.05 : x
  2. Step 2: Convert to fraction form
    8,255.48/11,395.10 = 4,721.05/x
  3. Step 3: Cross multiply
    8,255.48x = 11,395.10 × 4,721.05
  4. Step 4: Simplify right side
    8,255.48x = 53,796,756.27
  5. Step 5: Solve for x
    x = 53,796,756.27/8,255.48
  6. Step 6: Final answer
    x = 6,516.49

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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.