Home / 7,319.08-10,100.10-4,132.49

Finding the Fourth Proportional to 7,319.08, 10,100.10 and 4,132.49

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Solution

The fourth proportional to 7,319.08, 10,100.10 and 4,132.49 is: 5,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.08 : 10,100.10 = 4,132.49 : x
  2. Step 2: Convert to fraction form
    7,319.08/10,100.10 = 4,132.49/x
  3. Step 3: Cross multiply
    7,319.08x = 10,100.10 × 4,132.49
  4. Step 4: Simplify right side
    7,319.08x = 41,738,562.25
  5. Step 5: Solve for x
    x = 41,738,562.25/7,319.08
  6. Step 6: Final answer
    x = 5,702.71

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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.