Home / 6,469.18-9,656.56-5,550.64

Finding the Fourth Proportional to 6,469.18, 9,656.56 and 5,550.64

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Solution

The fourth proportional to 6,469.18, 9,656.56 and 5,550.64 is: 8,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.18 : 9,656.56 = 5,550.64 : x
  2. Step 2: Convert to fraction form
    6,469.18/9,656.56 = 5,550.64/x
  3. Step 3: Cross multiply
    6,469.18x = 9,656.56 × 5,550.64
  4. Step 4: Simplify right side
    6,469.18x = 53,600,068.96
  5. Step 5: Solve for x
    x = 53,600,068.96/6,469.18
  6. Step 6: Final answer
    x = 8,285.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.