Home / 8,924.19-12,317.10-5,149.79

Finding the Fourth Proportional to 8,924.19, 12,317.10 and 5,149.79

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Solution

The fourth proportional to 8,924.19, 12,317.10 and 5,149.79 is: 7,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.19 : 12,317.10 = 5,149.79 : x
  2. Step 2: Convert to fraction form
    8,924.19/12,317.10 = 5,149.79/x
  3. Step 3: Cross multiply
    8,924.19x = 12,317.10 × 5,149.79
  4. Step 4: Simplify right side
    8,924.19x = 63,430,416.82
  5. Step 5: Solve for x
    x = 63,430,416.82/8,924.19
  6. Step 6: Final answer
    x = 7,107.69

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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.