Home / 6,426.60-9,639.72-2,963.84

Finding the Fourth Proportional to 6,426.60, 9,639.72 and 2,963.84

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Solution

The fourth proportional to 6,426.60, 9,639.72 and 2,963.84 is: 4,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.60 : 9,639.72 = 2,963.84 : x
  2. Step 2: Convert to fraction form
    6,426.60/9,639.72 = 2,963.84/x
  3. Step 3: Cross multiply
    6,426.60x = 9,639.72 × 2,963.84
  4. Step 4: Simplify right side
    6,426.60x = 28,570,587.72
  5. Step 5: Solve for x
    x = 28,570,587.72/6,426.60
  6. Step 6: Final answer
    x = 4,445.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.