Home / 6,648.54-9,175.92-4,290.24

Finding the Fourth Proportional to 6,648.54, 9,175.92 and 4,290.24

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Solution

The fourth proportional to 6,648.54, 9,175.92 and 4,290.24 is: 5,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.54 : 9,175.92 = 4,290.24 : x
  2. Step 2: Convert to fraction form
    6,648.54/9,175.92 = 4,290.24/x
  3. Step 3: Cross multiply
    6,648.54x = 9,175.92 × 4,290.24
  4. Step 4: Simplify right side
    6,648.54x = 39,366,899.02
  5. Step 5: Solve for x
    x = 39,366,899.02/6,648.54
  6. Step 6: Final answer
    x = 5,921.13

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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.