Home / 5,357.28-7,392.99-2,999.44

Finding the Fourth Proportional to 5,357.28, 7,392.99 and 2,999.44

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Solution

The fourth proportional to 5,357.28, 7,392.99 and 2,999.44 is: 4,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.28 : 7,392.99 = 2,999.44 : x
  2. Step 2: Convert to fraction form
    5,357.28/7,392.99 = 2,999.44/x
  3. Step 3: Cross multiply
    5,357.28x = 7,392.99 × 2,999.44
  4. Step 4: Simplify right side
    5,357.28x = 22,174,829.93
  5. Step 5: Solve for x
    x = 22,174,829.93/5,357.28
  6. Step 6: Final answer
    x = 4,139.20

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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.