Home / 6,585.12-9,885.39-5,199.39

Finding the Fourth Proportional to 6,585.12, 9,885.39 and 5,199.39

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Solution

The fourth proportional to 6,585.12, 9,885.39 and 5,199.39 is: 7,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.12 : 9,885.39 = 5,199.39 : x
  2. Step 2: Convert to fraction form
    6,585.12/9,885.39 = 5,199.39/x
  3. Step 3: Cross multiply
    6,585.12x = 9,885.39 × 5,199.39
  4. Step 4: Simplify right side
    6,585.12x = 51,397,997.91
  5. Step 5: Solve for x
    x = 51,397,997.91/6,585.12
  6. Step 6: Final answer
    x = 7,805.17

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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.