Home / 4,088.97-6,124.50-2,990.88

Finding the Fourth Proportional to 4,088.97, 6,124.50 and 2,990.88

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Solution

The fourth proportional to 4,088.97, 6,124.50 and 2,990.88 is: 4,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.97 : 6,124.50 = 2,990.88 : x
  2. Step 2: Convert to fraction form
    4,088.97/6,124.50 = 2,990.88/x
  3. Step 3: Cross multiply
    4,088.97x = 6,124.50 × 2,990.88
  4. Step 4: Simplify right side
    4,088.97x = 18,317,644.56
  5. Step 5: Solve for x
    x = 18,317,644.56/4,088.97
  6. Step 6: Final answer
    x = 4,479.77

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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.