Home / 5,242.74-7,237.35-3,731.28

Finding the Fourth Proportional to 5,242.74, 7,237.35 and 3,731.28

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Solution

The fourth proportional to 5,242.74, 7,237.35 and 3,731.28 is: 5,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.74 : 7,237.35 = 3,731.28 : x
  2. Step 2: Convert to fraction form
    5,242.74/7,237.35 = 3,731.28/x
  3. Step 3: Cross multiply
    5,242.74x = 7,237.35 × 3,731.28
  4. Step 4: Simplify right side
    5,242.74x = 27,004,579.31
  5. Step 5: Solve for x
    x = 27,004,579.31/5,242.74
  6. Step 6: Final answer
    x = 5,150.85

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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.