Home / 6,631.02-9,152.10-3,942.86

Finding the Fourth Proportional to 6,631.02, 9,152.10 and 3,942.86

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Solution

The fourth proportional to 6,631.02, 9,152.10 and 3,942.86 is: 5,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.02 : 9,152.10 = 3,942.86 : x
  2. Step 2: Convert to fraction form
    6,631.02/9,152.10 = 3,942.86/x
  3. Step 3: Cross multiply
    6,631.02x = 9,152.10 × 3,942.86
  4. Step 4: Simplify right side
    6,631.02x = 36,085,403.25
  5. Step 5: Solve for x
    x = 36,085,403.25/6,631.02
  6. Step 6: Final answer
    x = 5,441.91

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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.