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Finding the Fourth Proportional to 6,605.16, 9,907.74 and 2,658.24

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Solution

The fourth proportional to 6,605.16, 9,907.74 and 2,658.24 is: 3,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.16 : 9,907.74 = 2,658.24 : x
  2. Step 2: Convert to fraction form
    6,605.16/9,907.74 = 2,658.24/x
  3. Step 3: Cross multiply
    6,605.16x = 9,907.74 × 2,658.24
  4. Step 4: Simplify right side
    6,605.16x = 26,337,150.78
  5. Step 5: Solve for x
    x = 26,337,150.78/6,605.16
  6. Step 6: Final answer
    x = 3,987.36

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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.