Home / 5,315.06-7,334.76-2,957.20

Finding the Fourth Proportional to 5,315.06, 7,334.76 and 2,957.20

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Solution

The fourth proportional to 5,315.06, 7,334.76 and 2,957.20 is: 4,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.06 : 7,334.76 = 2,957.20 : x
  2. Step 2: Convert to fraction form
    5,315.06/7,334.76 = 2,957.20/x
  3. Step 3: Cross multiply
    5,315.06x = 7,334.76 × 2,957.20
  4. Step 4: Simplify right side
    5,315.06x = 21,690,352.27
  5. Step 5: Solve for x
    x = 21,690,352.27/5,315.06
  6. Step 6: Final answer
    x = 4,080.92

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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.