Home / 6,531.36-9,008.96-4,176.48

Finding the Fourth Proportional to 6,531.36, 9,008.96 and 4,176.48

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Solution

The fourth proportional to 6,531.36, 9,008.96 and 4,176.48 is: 5,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.36 : 9,008.96 = 4,176.48 : x
  2. Step 2: Convert to fraction form
    6,531.36/9,008.96 = 4,176.48/x
  3. Step 3: Cross multiply
    6,531.36x = 9,008.96 × 4,176.48
  4. Step 4: Simplify right side
    6,531.36x = 37,625,741.26
  5. Step 5: Solve for x
    x = 37,625,741.26/6,531.36
  6. Step 6: Final answer
    x = 5,760.78

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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.