Home / 6,815.20-10,232.16-3,530.56

Finding the Fourth Proportional to 6,815.20, 10,232.16 and 3,530.56

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Solution

The fourth proportional to 6,815.20, 10,232.16 and 3,530.56 is: 5,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.20 : 10,232.16 = 3,530.56 : x
  2. Step 2: Convert to fraction form
    6,815.20/10,232.16 = 3,530.56/x
  3. Step 3: Cross multiply
    6,815.20x = 10,232.16 × 3,530.56
  4. Step 4: Simplify right side
    6,815.20x = 36,125,254.81
  5. Step 5: Solve for x
    x = 36,125,254.81/6,815.20
  6. Step 6: Final answer
    x = 5,300.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.