Home / 5,110.40-7,664.84-1,599.59

Finding the Fourth Proportional to 5,110.40, 7,664.84 and 1,599.59

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Solution

The fourth proportional to 5,110.40, 7,664.84 and 1,599.59 is: 2,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.40 : 7,664.84 = 1,599.59 : x
  2. Step 2: Convert to fraction form
    5,110.40/7,664.84 = 1,599.59/x
  3. Step 3: Cross multiply
    5,110.40x = 7,664.84 × 1,599.59
  4. Step 4: Simplify right side
    5,110.40x = 12,260,618.58
  5. Step 5: Solve for x
    x = 12,260,618.58/5,110.40
  6. Step 6: Final answer
    x = 2,399.15

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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.