Home / 7,320.90-10,981.48-2,641.26

Finding the Fourth Proportional to 7,320.90, 10,981.48 and 2,641.26

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Solution

The fourth proportional to 7,320.90, 10,981.48 and 2,641.26 is: 3,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.90 : 10,981.48 = 2,641.26 : x
  2. Step 2: Convert to fraction form
    7,320.90/10,981.48 = 2,641.26/x
  3. Step 3: Cross multiply
    7,320.90x = 10,981.48 × 2,641.26
  4. Step 4: Simplify right side
    7,320.90x = 29,004,943.86
  5. Step 5: Solve for x
    x = 29,004,943.86/7,320.90
  6. Step 6: Final answer
    x = 3,961.94

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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.