Home / 9,159.47-13,738.77-3,820.44

Finding the Fourth Proportional to 9,159.47, 13,738.77 and 3,820.44

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Solution

The fourth proportional to 9,159.47, 13,738.77 and 3,820.44 is: 5,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.47 : 13,738.77 = 3,820.44 : x
  2. Step 2: Convert to fraction form
    9,159.47/13,738.77 = 3,820.44/x
  3. Step 3: Cross multiply
    9,159.47x = 13,738.77 × 3,820.44
  4. Step 4: Simplify right side
    9,159.47x = 52,488,146.46
  5. Step 5: Solve for x
    x = 52,488,146.46/9,159.47
  6. Step 6: Final answer
    x = 5,730.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.