Home / 7,319.60-10,100.50-4,132.65

Finding the Fourth Proportional to 7,319.60, 10,100.50 and 4,132.65

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Solution

The fourth proportional to 7,319.60, 10,100.50 and 4,132.65 is: 5,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.60 : 10,100.50 = 4,132.65 : x
  2. Step 2: Convert to fraction form
    7,319.60/10,100.50 = 4,132.65/x
  3. Step 3: Cross multiply
    7,319.60x = 10,100.50 × 4,132.65
  4. Step 4: Simplify right side
    7,319.60x = 41,741,858.87
  5. Step 5: Solve for x
    x = 41,741,858.87/7,319.60
  6. Step 6: Final answer
    x = 5,702.75

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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.