Home / 4,957.76-7,434.24-2,878.28

Finding the Fourth Proportional to 4,957.76, 7,434.24 and 2,878.28

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Solution

The fourth proportional to 4,957.76, 7,434.24 and 2,878.28 is: 4,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.76 : 7,434.24 = 2,878.28 : x
  2. Step 2: Convert to fraction form
    4,957.76/7,434.24 = 2,878.28/x
  3. Step 3: Cross multiply
    4,957.76x = 7,434.24 × 2,878.28
  4. Step 4: Simplify right side
    4,957.76x = 21,397,839.29
  5. Step 5: Solve for x
    x = 21,397,839.29/4,957.76
  6. Step 6: Final answer
    x = 4,316.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.