Home / 5,307.85-7,961.96-2,386.17

Finding the Fourth Proportional to 5,307.85, 7,961.96 and 2,386.17

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Solution

The fourth proportional to 5,307.85, 7,961.96 and 2,386.17 is: 3,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.85 : 7,961.96 = 2,386.17 : x
  2. Step 2: Convert to fraction form
    5,307.85/7,961.96 = 2,386.17/x
  3. Step 3: Cross multiply
    5,307.85x = 7,961.96 × 2,386.17
  4. Step 4: Simplify right side
    5,307.85x = 18,998,548.31
  5. Step 5: Solve for x
    x = 18,998,548.31/5,307.85
  6. Step 6: Final answer
    x = 3,579.33

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Similar ratio
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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.