Home / 5,099.20-7,036.62-2,860.68

Finding the Fourth Proportional to 5,099.20, 7,036.62 and 2,860.68

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Solution

The fourth proportional to 5,099.20, 7,036.62 and 2,860.68 is: 3,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.20 : 7,036.62 = 2,860.68 : x
  2. Step 2: Convert to fraction form
    5,099.20/7,036.62 = 2,860.68/x
  3. Step 3: Cross multiply
    5,099.20x = 7,036.62 × 2,860.68
  4. Step 4: Simplify right side
    5,099.20x = 20,129,518.10
  5. Step 5: Solve for x
    x = 20,129,518.10/5,099.20
  6. Step 6: Final answer
    x = 3,947.58

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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.