Home / 5,528.60-7,632.08-3,540.32

Finding the Fourth Proportional to 5,528.60, 7,632.08 and 3,540.32

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Solution

The fourth proportional to 5,528.60, 7,632.08 and 3,540.32 is: 4,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.60 : 7,632.08 = 3,540.32 : x
  2. Step 2: Convert to fraction form
    5,528.60/7,632.08 = 3,540.32/x
  3. Step 3: Cross multiply
    5,528.60x = 7,632.08 × 3,540.32
  4. Step 4: Simplify right side
    5,528.60x = 27,019,976.16
  5. Step 5: Solve for x
    x = 27,019,976.16/5,528.60
  6. Step 6: Final answer
    x = 4,887.31

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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.