Home / 9,320.15-13,979.72-2,746.39

Finding the Fourth Proportional to 9,320.15, 13,979.72 and 2,746.39

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Solution

The fourth proportional to 9,320.15, 13,979.72 and 2,746.39 is: 4,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.15 : 13,979.72 = 2,746.39 : x
  2. Step 2: Convert to fraction form
    9,320.15/13,979.72 = 2,746.39/x
  3. Step 3: Cross multiply
    9,320.15x = 13,979.72 × 2,746.39
  4. Step 4: Simplify right side
    9,320.15x = 38,393,763.21
  5. Step 5: Solve for x
    x = 38,393,763.21/9,320.15
  6. Step 6: Final answer
    x = 4,119.44

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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.