Home / 6,919.40-9,538.88-4,265.04

Finding the Fourth Proportional to 6,919.40, 9,538.88 and 4,265.04

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Solution

The fourth proportional to 6,919.40, 9,538.88 and 4,265.04 is: 5,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.40 : 9,538.88 = 4,265.04 : x
  2. Step 2: Convert to fraction form
    6,919.40/9,538.88 = 4,265.04/x
  3. Step 3: Cross multiply
    6,919.40x = 9,538.88 × 4,265.04
  4. Step 4: Simplify right side
    6,919.40x = 40,683,704.76
  5. Step 5: Solve for x
    x = 40,683,704.76/6,919.40
  6. Step 6: Final answer
    x = 5,879.66

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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.