Home / 8,718.34-12,031.32-4,739.26

Finding the Fourth Proportional to 8,718.34, 12,031.32 and 4,739.26

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Solution

The fourth proportional to 8,718.34, 12,031.32 and 4,739.26 is: 6,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.34 : 12,031.32 = 4,739.26 : x
  2. Step 2: Convert to fraction form
    8,718.34/12,031.32 = 4,739.26/x
  3. Step 3: Cross multiply
    8,718.34x = 12,031.32 × 4,739.26
  4. Step 4: Simplify right side
    8,718.34x = 57,019,553.62
  5. Step 5: Solve for x
    x = 57,019,553.62/8,718.34
  6. Step 6: Final answer
    x = 6,540.18

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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.