Home / 6,935.20-10,409.40-6,452.56

Finding the Fourth Proportional to 6,935.20, 10,409.40 and 6,452.56

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Solution

The fourth proportional to 6,935.20, 10,409.40 and 6,452.56 is: 9,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.20 : 10,409.40 = 6,452.56 : x
  2. Step 2: Convert to fraction form
    6,935.20/10,409.40 = 6,452.56/x
  3. Step 3: Cross multiply
    6,935.20x = 10,409.40 × 6,452.56
  4. Step 4: Simplify right side
    6,935.20x = 67,167,278.06
  5. Step 5: Solve for x
    x = 67,167,278.06/6,935.20
  6. Step 6: Final answer
    x = 9,684.98

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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.