Home / 7,015.56-10,516.02-2,853.90

Finding the Fourth Proportional to 7,015.56, 10,516.02 and 2,853.90

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Solution

The fourth proportional to 7,015.56, 10,516.02 and 2,853.90 is: 4,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.56 : 10,516.02 = 2,853.90 : x
  2. Step 2: Convert to fraction form
    7,015.56/10,516.02 = 2,853.90/x
  3. Step 3: Cross multiply
    7,015.56x = 10,516.02 × 2,853.90
  4. Step 4: Simplify right side
    7,015.56x = 30,011,669.48
  5. Step 5: Solve for x
    x = 30,011,669.48/7,015.56
  6. Step 6: Final answer
    x = 4,277.87

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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.