Home / 5,099.05-7,036.64-2,860.88

Finding the Fourth Proportional to 5,099.05, 7,036.64 and 2,860.88

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Solution

The fourth proportional to 5,099.05, 7,036.64 and 2,860.88 is: 3,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.05 : 7,036.64 = 2,860.88 : x
  2. Step 2: Convert to fraction form
    5,099.05/7,036.64 = 2,860.88/x
  3. Step 3: Cross multiply
    5,099.05x = 7,036.64 × 2,860.88
  4. Step 4: Simplify right side
    5,099.05x = 20,130,933.16
  5. Step 5: Solve for x
    x = 20,130,933.16/5,099.05
  6. Step 6: Final answer
    x = 3,947.98

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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.