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Finding the Fourth Proportional to 6,620.08, 9,908.64 and 3,495.64

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Solution

The fourth proportional to 6,620.08, 9,908.64 and 3,495.64 is: 5,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.08 : 9,908.64 = 3,495.64 : x
  2. Step 2: Convert to fraction form
    6,620.08/9,908.64 = 3,495.64/x
  3. Step 3: Cross multiply
    6,620.08x = 9,908.64 × 3,495.64
  4. Step 4: Simplify right side
    6,620.08x = 34,637,038.33
  5. Step 5: Solve for x
    x = 34,637,038.33/6,620.08
  6. Step 6: Final answer
    x = 5,232.12

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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.