Home / 4,661.40-6,431.58-2,671.32

Finding the Fourth Proportional to 4,661.40, 6,431.58 and 2,671.32

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Solution

The fourth proportional to 4,661.40, 6,431.58 and 2,671.32 is: 3,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.40 : 6,431.58 = 2,671.32 : x
  2. Step 2: Convert to fraction form
    4,661.40/6,431.58 = 2,671.32/x
  3. Step 3: Cross multiply
    4,661.40x = 6,431.58 × 2,671.32
  4. Step 4: Simplify right side
    4,661.40x = 17,180,808.29
  5. Step 5: Solve for x
    x = 17,180,808.29/4,661.40
  6. Step 6: Final answer
    x = 3,685.76

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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.