Home / 5,329.76-7,355.32-2,971.92

Finding the Fourth Proportional to 5,329.76, 7,355.32 and 2,971.92

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Solution

The fourth proportional to 5,329.76, 7,355.32 and 2,971.92 is: 4,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.76 : 7,355.32 = 2,971.92 : x
  2. Step 2: Convert to fraction form
    5,329.76/7,355.32 = 2,971.92/x
  3. Step 3: Cross multiply
    5,329.76x = 7,355.32 × 2,971.92
  4. Step 4: Simplify right side
    5,329.76x = 21,859,422.61
  5. Step 5: Solve for x
    x = 21,859,422.61/5,329.76
  6. Step 6: Final answer
    x = 4,101.39

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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.