Home / 5,521.08-8,281.56-2,597.78

Finding the Fourth Proportional to 5,521.08, 8,281.56 and 2,597.78

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Solution

The fourth proportional to 5,521.08, 8,281.56 and 2,597.78 is: 3,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.08 : 8,281.56 = 2,597.78 : x
  2. Step 2: Convert to fraction form
    5,521.08/8,281.56 = 2,597.78/x
  3. Step 3: Cross multiply
    5,521.08x = 8,281.56 × 2,597.78
  4. Step 4: Simplify right side
    5,521.08x = 21,513,670.94
  5. Step 5: Solve for x
    x = 21,513,670.94/5,521.08
  6. Step 6: Final answer
    x = 3,896.64

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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.