Home / 9,320.40-13,981.32-2,746.44

Finding the Fourth Proportional to 9,320.40, 13,981.32 and 2,746.44

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Solution

The fourth proportional to 9,320.40, 13,981.32 and 2,746.44 is: 4,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.40 : 13,981.32 = 2,746.44 : x
  2. Step 2: Convert to fraction form
    9,320.40/13,981.32 = 2,746.44/x
  3. Step 3: Cross multiply
    9,320.40x = 13,981.32 × 2,746.44
  4. Step 4: Simplify right side
    9,320.40x = 38,398,856.50
  5. Step 5: Solve for x
    x = 38,398,856.50/9,320.40
  6. Step 6: Final answer
    x = 4,119.87

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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.