Home / 5,158.98-7,739.28-2,237.58

Finding the Fourth Proportional to 5,158.98, 7,739.28 and 2,237.58

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Solution

The fourth proportional to 5,158.98, 7,739.28 and 2,237.58 is: 3,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.98 : 7,739.28 = 2,237.58 : x
  2. Step 2: Convert to fraction form
    5,158.98/7,739.28 = 2,237.58/x
  3. Step 3: Cross multiply
    5,158.98x = 7,739.28 × 2,237.58
  4. Step 4: Simplify right side
    5,158.98x = 17,317,258.14
  5. Step 5: Solve for x
    x = 17,317,258.14/5,158.98
  6. Step 6: Final answer
    x = 3,356.72

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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.