Home / 6,690.87-10,036.26-5,231.25

Finding the Fourth Proportional to 6,690.87, 10,036.26 and 5,231.25

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Solution

The fourth proportional to 6,690.87, 10,036.26 and 5,231.25 is: 7,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.87 : 10,036.26 = 5,231.25 : x
  2. Step 2: Convert to fraction form
    6,690.87/10,036.26 = 5,231.25/x
  3. Step 3: Cross multiply
    6,690.87x = 10,036.26 × 5,231.25
  4. Step 4: Simplify right side
    6,690.87x = 52,502,185.13
  5. Step 5: Solve for x
    x = 52,502,185.13/6,690.87
  6. Step 6: Final answer
    x = 7,846.84

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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.