Home / 4,701.92-6,485.28-3,106.72

Finding the Fourth Proportional to 4,701.92, 6,485.28 and 3,106.72

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Solution

The fourth proportional to 4,701.92, 6,485.28 and 3,106.72 is: 4,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.92 : 6,485.28 = 3,106.72 : x
  2. Step 2: Convert to fraction form
    4,701.92/6,485.28 = 3,106.72/x
  3. Step 3: Cross multiply
    4,701.92x = 6,485.28 × 3,106.72
  4. Step 4: Simplify right side
    4,701.92x = 20,147,949.08
  5. Step 5: Solve for x
    x = 20,147,949.08/4,701.92
  6. Step 6: Final answer
    x = 4,285.05

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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.