Home / 4,826.60-6,661.84-3,145.10

Finding the Fourth Proportional to 4,826.60, 6,661.84 and 3,145.10

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Solution

The fourth proportional to 4,826.60, 6,661.84 and 3,145.10 is: 4,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.60 : 6,661.84 = 3,145.10 : x
  2. Step 2: Convert to fraction form
    4,826.60/6,661.84 = 3,145.10/x
  3. Step 3: Cross multiply
    4,826.60x = 6,661.84 × 3,145.10
  4. Step 4: Simplify right side
    4,826.60x = 20,952,152.98
  5. Step 5: Solve for x
    x = 20,952,152.98/4,826.60
  6. Step 6: Final answer
    x = 4,340.98

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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.