Home / 5,314.82-7,990.25-4,282.07

Finding the Fourth Proportional to 5,314.82, 7,990.25 and 4,282.07

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Solution

The fourth proportional to 5,314.82, 7,990.25 and 4,282.07 is: 6,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.82 : 7,990.25 = 4,282.07 : x
  2. Step 2: Convert to fraction form
    5,314.82/7,990.25 = 4,282.07/x
  3. Step 3: Cross multiply
    5,314.82x = 7,990.25 × 4,282.07
  4. Step 4: Simplify right side
    5,314.82x = 34,214,748.46
  5. Step 5: Solve for x
    x = 34,214,748.46/5,314.82
  6. Step 6: Final answer
    x = 6,437.62

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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.