Home / 5,315.17-7,334.96-2,957.31

Finding the Fourth Proportional to 5,315.17, 7,334.96 and 2,957.31

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Solution

The fourth proportional to 5,315.17, 7,334.96 and 2,957.31 is: 4,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.17 : 7,334.96 = 2,957.31 : x
  2. Step 2: Convert to fraction form
    5,315.17/7,334.96 = 2,957.31/x
  3. Step 3: Cross multiply
    5,315.17x = 7,334.96 × 2,957.31
  4. Step 4: Simplify right side
    5,315.17x = 21,691,735.77
  5. Step 5: Solve for x
    x = 21,691,735.77/5,315.17
  6. Step 6: Final answer
    x = 4,081.10

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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.