Home / 7,617.76-11,425.26-4,106.12

Finding the Fourth Proportional to 7,617.76, 11,425.26 and 4,106.12

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Solution

The fourth proportional to 7,617.76, 11,425.26 and 4,106.12 is: 6,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.76 : 11,425.26 = 4,106.12 : x
  2. Step 2: Convert to fraction form
    7,617.76/11,425.26 = 4,106.12/x
  3. Step 3: Cross multiply
    7,617.76x = 11,425.26 × 4,106.12
  4. Step 4: Simplify right side
    7,617.76x = 46,913,488.59
  5. Step 5: Solve for x
    x = 46,913,488.59/7,617.76
  6. Step 6: Final answer
    x = 6,158.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.