Home / 6,635.41-9,955.16-3,715.78

Finding the Fourth Proportional to 6,635.41, 9,955.16 and 3,715.78

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Solution

The fourth proportional to 6,635.41, 9,955.16 and 3,715.78 is: 5,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.41 : 9,955.16 = 3,715.78 : x
  2. Step 2: Convert to fraction form
    6,635.41/9,955.16 = 3,715.78/x
  3. Step 3: Cross multiply
    6,635.41x = 9,955.16 × 3,715.78
  4. Step 4: Simplify right side
    6,635.41x = 36,991,184.42
  5. Step 5: Solve for x
    x = 36,991,184.42/6,635.41
  6. Step 6: Final answer
    x = 5,574.82

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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.