Home / 7,017.56-10,519.02-2,855.90

Finding the Fourth Proportional to 7,017.56, 10,519.02 and 2,855.90

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Solution

The fourth proportional to 7,017.56, 10,519.02 and 2,855.90 is: 4,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.56 : 10,519.02 = 2,855.90 : x
  2. Step 2: Convert to fraction form
    7,017.56/10,519.02 = 2,855.90/x
  3. Step 3: Cross multiply
    7,017.56x = 10,519.02 × 2,855.90
  4. Step 4: Simplify right side
    7,017.56x = 30,041,269.22
  5. Step 5: Solve for x
    x = 30,041,269.22/7,017.56
  6. Step 6: Final answer
    x = 4,280.87

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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.