Home / 6,531.20-9,015.81-4,409.60

Finding the Fourth Proportional to 6,531.20, 9,015.81 and 4,409.60

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Solution

The fourth proportional to 6,531.20, 9,015.81 and 4,409.60 is: 6,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.20 : 9,015.81 = 4,409.60 : x
  2. Step 2: Convert to fraction form
    6,531.20/9,015.81 = 4,409.60/x
  3. Step 3: Cross multiply
    6,531.20x = 9,015.81 × 4,409.60
  4. Step 4: Simplify right side
    6,531.20x = 39,756,115.78
  5. Step 5: Solve for x
    x = 39,756,115.78/6,531.20
  6. Step 6: Final answer
    x = 6,087.11

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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.