Home / 4,671.86-6,443.78-3,177.11

Finding the Fourth Proportional to 4,671.86, 6,443.78 and 3,177.11

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Solution

The fourth proportional to 4,671.86, 6,443.78 and 3,177.11 is: 4,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.86 : 6,443.78 = 3,177.11 : x
  2. Step 2: Convert to fraction form
    4,671.86/6,443.78 = 3,177.11/x
  3. Step 3: Cross multiply
    4,671.86x = 6,443.78 × 3,177.11
  4. Step 4: Simplify right side
    4,671.86x = 20,472,598.10
  5. Step 5: Solve for x
    x = 20,472,598.10/4,671.86
  6. Step 6: Final answer
    x = 4,382.11

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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.