Home / 7,242.47-10,865.90-3,027.77

Finding the Fourth Proportional to 7,242.47, 10,865.90 and 3,027.77

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Solution

The fourth proportional to 7,242.47, 10,865.90 and 3,027.77 is: 4,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.47 : 10,865.90 = 3,027.77 : x
  2. Step 2: Convert to fraction form
    7,242.47/10,865.90 = 3,027.77/x
  3. Step 3: Cross multiply
    7,242.47x = 10,865.90 × 3,027.77
  4. Step 4: Simplify right side
    7,242.47x = 32,899,376.57
  5. Step 5: Solve for x
    x = 32,899,376.57/7,242.47
  6. Step 6: Final answer
    x = 4,542.57

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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.