Home / 8,347.22-11,521.53-5,161.49

Finding the Fourth Proportional to 8,347.22, 11,521.53 and 5,161.49

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Solution

The fourth proportional to 8,347.22, 11,521.53 and 5,161.49 is: 7,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.22 : 11,521.53 = 5,161.49 : x
  2. Step 2: Convert to fraction form
    8,347.22/11,521.53 = 5,161.49/x
  3. Step 3: Cross multiply
    8,347.22x = 11,521.53 × 5,161.49
  4. Step 4: Simplify right side
    8,347.22x = 59,468,204.27
  5. Step 5: Solve for x
    x = 59,468,204.27/8,347.22
  6. Step 6: Final answer
    x = 7,124.32

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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.