Home / 7,899.36-10,899.15-4,495.59

Finding the Fourth Proportional to 7,899.36, 10,899.15 and 4,495.59

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Solution

The fourth proportional to 7,899.36, 10,899.15 and 4,495.59 is: 6,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.36 : 10,899.15 = 4,495.59 : x
  2. Step 2: Convert to fraction form
    7,899.36/10,899.15 = 4,495.59/x
  3. Step 3: Cross multiply
    7,899.36x = 10,899.15 × 4,495.59
  4. Step 4: Simplify right side
    7,899.36x = 48,998,109.75
  5. Step 5: Solve for x
    x = 48,998,109.75/7,899.36
  6. Step 6: Final answer
    x = 6,202.79

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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.