Home / 5,356.13-7,391.40-2,966.15

Finding the Fourth Proportional to 5,356.13, 7,391.40 and 2,966.15

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Solution

The fourth proportional to 5,356.13, 7,391.40 and 2,966.15 is: 4,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.13 : 7,391.40 = 2,966.15 : x
  2. Step 2: Convert to fraction form
    5,356.13/7,391.40 = 2,966.15/x
  3. Step 3: Cross multiply
    5,356.13x = 7,391.40 × 2,966.15
  4. Step 4: Simplify right side
    5,356.13x = 21,923,964.15
  5. Step 5: Solve for x
    x = 21,923,964.15/5,356.13
  6. Step 6: Final answer
    x = 4,093.25

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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.