Home / 6,636.27-9,157.55-3,803.61

Finding the Fourth Proportional to 6,636.27, 9,157.55 and 3,803.61

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Solution

The fourth proportional to 6,636.27, 9,157.55 and 3,803.61 is: 5,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.27 : 9,157.55 = 3,803.61 : x
  2. Step 2: Convert to fraction form
    6,636.27/9,157.55 = 3,803.61/x
  3. Step 3: Cross multiply
    6,636.27x = 9,157.55 × 3,803.61
  4. Step 4: Simplify right side
    6,636.27x = 34,831,729.74
  5. Step 5: Solve for x
    x = 34,831,729.74/6,636.27
  6. Step 6: Final answer
    x = 5,248.69

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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.