Home / 7,515.11-10,370.80-4,157.93

Finding the Fourth Proportional to 7,515.11, 10,370.80 and 4,157.93

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Solution

The fourth proportional to 7,515.11, 10,370.80 and 4,157.93 is: 5,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.11 : 10,370.80 = 4,157.93 : x
  2. Step 2: Convert to fraction form
    7,515.11/10,370.80 = 4,157.93/x
  3. Step 3: Cross multiply
    7,515.11x = 10,370.80 × 4,157.93
  4. Step 4: Simplify right side
    7,515.11x = 43,121,091.57
  5. Step 5: Solve for x
    x = 43,121,091.57/7,515.11
  6. Step 6: Final answer
    x = 5,737.92

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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.