Home / 5,523.20-7,618.78-3,533.02

Finding the Fourth Proportional to 5,523.20, 7,618.78 and 3,533.02

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Solution

The fourth proportional to 5,523.20, 7,618.78 and 3,533.02 is: 4,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.20 : 7,618.78 = 3,533.02 : x
  2. Step 2: Convert to fraction form
    5,523.20/7,618.78 = 3,533.02/x
  3. Step 3: Cross multiply
    5,523.20x = 7,618.78 × 3,533.02
  4. Step 4: Simplify right side
    5,523.20x = 26,917,302.12
  5. Step 5: Solve for x
    x = 26,917,302.12/5,523.20
  6. Step 6: Final answer
    x = 4,873.50

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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.