Home / 4,380.25-6,566.82-2,990.08

Finding the Fourth Proportional to 4,380.25, 6,566.82 and 2,990.08

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Solution

The fourth proportional to 4,380.25, 6,566.82 and 2,990.08 is: 4,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.25 : 6,566.82 = 2,990.08 : x
  2. Step 2: Convert to fraction form
    4,380.25/6,566.82 = 2,990.08/x
  3. Step 3: Cross multiply
    4,380.25x = 6,566.82 × 2,990.08
  4. Step 4: Simplify right side
    4,380.25x = 19,635,317.15
  5. Step 5: Solve for x
    x = 19,635,317.15/4,380.25
  6. Step 6: Final answer
    x = 4,482.70

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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.