Home / 7,318.83-10,100.12-4,132.77

Finding the Fourth Proportional to 7,318.83, 10,100.12 and 4,132.77

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Solution

The fourth proportional to 7,318.83, 10,100.12 and 4,132.77 is: 5,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.83 : 10,100.12 = 4,132.77 : x
  2. Step 2: Convert to fraction form
    7,318.83/10,100.12 = 4,132.77/x
  3. Step 3: Cross multiply
    7,318.83x = 10,100.12 × 4,132.77
  4. Step 4: Simplify right side
    7,318.83x = 41,741,452.27
  5. Step 5: Solve for x
    x = 41,741,452.27/7,318.83
  6. Step 6: Final answer
    x = 5,703.30

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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.