Home / 6,977.43-9,620.24-4,987.26

Finding the Fourth Proportional to 6,977.43, 9,620.24 and 4,987.26

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Solution

The fourth proportional to 6,977.43, 9,620.24 and 4,987.26 is: 6,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.43 : 9,620.24 = 4,987.26 : x
  2. Step 2: Convert to fraction form
    6,977.43/9,620.24 = 4,987.26/x
  3. Step 3: Cross multiply
    6,977.43x = 9,620.24 × 4,987.26
  4. Step 4: Simplify right side
    6,977.43x = 47,978,613.21
  5. Step 5: Solve for x
    x = 47,978,613.21/6,977.43
  6. Step 6: Final answer
    x = 6,876.26

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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.