Home / 6,531.77-9,014.00-3,879.18

Finding the Fourth Proportional to 6,531.77, 9,014.00 and 3,879.18

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Solution

The fourth proportional to 6,531.77, 9,014.00 and 3,879.18 is: 5,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.77 : 9,014.00 = 3,879.18 : x
  2. Step 2: Convert to fraction form
    6,531.77/9,014.00 = 3,879.18/x
  3. Step 3: Cross multiply
    6,531.77x = 9,014.00 × 3,879.18
  4. Step 4: Simplify right side
    6,531.77x = 34,966,909.12
  5. Step 5: Solve for x
    x = 34,966,909.12/6,531.77
  6. Step 6: Final answer
    x = 5,353.36

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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.