Home / 6,276.40-8,659.04-3,622.84

Finding the Fourth Proportional to 6,276.40, 8,659.04 and 3,622.84

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Solution

The fourth proportional to 6,276.40, 8,659.04 and 3,622.84 is: 4,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.40 : 8,659.04 = 3,622.84 : x
  2. Step 2: Convert to fraction form
    6,276.40/8,659.04 = 3,622.84/x
  3. Step 3: Cross multiply
    6,276.40x = 8,659.04 × 3,622.84
  4. Step 4: Simplify right side
    6,276.40x = 31,370,276.71
  5. Step 5: Solve for x
    x = 31,370,276.71/6,276.40
  6. Step 6: Final answer
    x = 4,998.13

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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.