Home / 7,247.72-10,001.85-4,103.91

Finding the Fourth Proportional to 7,247.72, 10,001.85 and 4,103.91

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Solution

The fourth proportional to 7,247.72, 10,001.85 and 4,103.91 is: 5,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.72 : 10,001.85 = 4,103.91 : x
  2. Step 2: Convert to fraction form
    7,247.72/10,001.85 = 4,103.91/x
  3. Step 3: Cross multiply
    7,247.72x = 10,001.85 × 4,103.91
  4. Step 4: Simplify right side
    7,247.72x = 41,046,692.23
  5. Step 5: Solve for x
    x = 41,046,692.23/7,247.72
  6. Step 6: Final answer
    x = 5,663.39

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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.