Home / 7,247.85-10,871.78-2,053.77

Finding the Fourth Proportional to 7,247.85, 10,871.78 and 2,053.77

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Solution

The fourth proportional to 7,247.85, 10,871.78 and 2,053.77 is: 3,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.85 : 10,871.78 = 2,053.77 : x
  2. Step 2: Convert to fraction form
    7,247.85/10,871.78 = 2,053.77/x
  3. Step 3: Cross multiply
    7,247.85x = 10,871.78 × 2,053.77
  4. Step 4: Simplify right side
    7,247.85x = 22,328,125.34
  5. Step 5: Solve for x
    x = 22,328,125.34/7,247.85
  6. Step 6: Final answer
    x = 3,080.66

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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.