Home / 7,108.75-9,813.72-4,458.84

Finding the Fourth Proportional to 7,108.75, 9,813.72 and 4,458.84

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Solution

The fourth proportional to 7,108.75, 9,813.72 and 4,458.84 is: 6,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.75 : 9,813.72 = 4,458.84 : x
  2. Step 2: Convert to fraction form
    7,108.75/9,813.72 = 4,458.84/x
  3. Step 3: Cross multiply
    7,108.75x = 9,813.72 × 4,458.84
  4. Step 4: Simplify right side
    7,108.75x = 43,757,807.28
  5. Step 5: Solve for x
    x = 43,757,807.28/7,108.75
  6. Step 6: Final answer
    x = 6,155.49

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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.