Home / 5,315.53-7,335.24-2,957.62

Finding the Fourth Proportional to 5,315.53, 7,335.24 and 2,957.62

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Solution

The fourth proportional to 5,315.53, 7,335.24 and 2,957.62 is: 4,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.53 : 7,335.24 = 2,957.62 : x
  2. Step 2: Convert to fraction form
    5,315.53/7,335.24 = 2,957.62/x
  3. Step 3: Cross multiply
    5,315.53x = 7,335.24 × 2,957.62
  4. Step 4: Simplify right side
    5,315.53x = 21,694,852.53
  5. Step 5: Solve for x
    x = 21,694,852.53/5,315.53
  6. Step 6: Final answer
    x = 4,081.41

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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.