Home / 6,563.45-9,841.52-2,178.51

Finding the Fourth Proportional to 6,563.45, 9,841.52 and 2,178.51

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Solution

The fourth proportional to 6,563.45, 9,841.52 and 2,178.51 is: 3,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.45 : 9,841.52 = 2,178.51 : x
  2. Step 2: Convert to fraction form
    6,563.45/9,841.52 = 2,178.51/x
  3. Step 3: Cross multiply
    6,563.45x = 9,841.52 × 2,178.51
  4. Step 4: Simplify right side
    6,563.45x = 21,439,849.74
  5. Step 5: Solve for x
    x = 21,439,849.74/6,563.45
  6. Step 6: Final answer
    x = 3,266.55

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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.