Home / 6,464.84-8,928.11-5,566.79

Finding the Fourth Proportional to 6,464.84, 8,928.11 and 5,566.79

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Solution

The fourth proportional to 6,464.84, 8,928.11 and 5,566.79 is: 7,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.84 : 8,928.11 = 5,566.79 : x
  2. Step 2: Convert to fraction form
    6,464.84/8,928.11 = 5,566.79/x
  3. Step 3: Cross multiply
    6,464.84x = 8,928.11 × 5,566.79
  4. Step 4: Simplify right side
    6,464.84x = 49,700,949.70
  5. Step 5: Solve for x
    x = 49,700,949.70/6,464.84
  6. Step 6: Final answer
    x = 7,687.89

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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.