Home / 5,620.32-8,380.80-5,571.18

Finding the Fourth Proportional to 5,620.32, 8,380.80 and 5,571.18

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Solution

The fourth proportional to 5,620.32, 8,380.80 and 5,571.18 is: 8,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.32 : 8,380.80 = 5,571.18 : x
  2. Step 2: Convert to fraction form
    5,620.32/8,380.80 = 5,571.18/x
  3. Step 3: Cross multiply
    5,620.32x = 8,380.80 × 5,571.18
  4. Step 4: Simplify right side
    5,620.32x = 46,690,945.34
  5. Step 5: Solve for x
    x = 46,690,945.34/5,620.32
  6. Step 6: Final answer
    x = 8,307.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.