Home / 8,219.25-11,352.29-5,562.05

Finding the Fourth Proportional to 8,219.25, 11,352.29 and 5,562.05

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Solution

The fourth proportional to 8,219.25, 11,352.29 and 5,562.05 is: 7,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.25 : 11,352.29 = 5,562.05 : x
  2. Step 2: Convert to fraction form
    8,219.25/11,352.29 = 5,562.05/x
  3. Step 3: Cross multiply
    8,219.25x = 11,352.29 × 5,562.05
  4. Step 4: Simplify right side
    8,219.25x = 63,141,920.02
  5. Step 5: Solve for x
    x = 63,141,920.02/8,219.25
  6. Step 6: Final answer
    x = 7,682.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.