Home / 5,301.60-7,315.84-2,943.60

Finding the Fourth Proportional to 5,301.60, 7,315.84 and 2,943.60

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Solution

The fourth proportional to 5,301.60, 7,315.84 and 2,943.60 is: 4,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.60 : 7,315.84 = 2,943.60 : x
  2. Step 2: Convert to fraction form
    5,301.60/7,315.84 = 2,943.60/x
  3. Step 3: Cross multiply
    5,301.60x = 7,315.84 × 2,943.60
  4. Step 4: Simplify right side
    5,301.60x = 21,534,906.62
  5. Step 5: Solve for x
    x = 21,534,906.62/5,301.60
  6. Step 6: Final answer
    x = 4,061.96

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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.