Home / 5,520.00-7,618.71-3,281.45

Finding the Fourth Proportional to 5,520.00, 7,618.71 and 3,281.45

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Solution

The fourth proportional to 5,520.00, 7,618.71 and 3,281.45 is: 4,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.00 : 7,618.71 = 3,281.45 : x
  2. Step 2: Convert to fraction form
    5,520.00/7,618.71 = 3,281.45/x
  3. Step 3: Cross multiply
    5,520.00x = 7,618.71 × 3,281.45
  4. Step 4: Simplify right side
    5,520.00x = 25,000,390.14
  5. Step 5: Solve for x
    x = 25,000,390.14/5,520.00
  6. Step 6: Final answer
    x = 4,529.05

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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.