Home / 4,263.40-6,402.04-2,630.32

Finding the Fourth Proportional to 4,263.40, 6,402.04 and 2,630.32

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Solution

The fourth proportional to 4,263.40, 6,402.04 and 2,630.32 is: 3,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.40 : 6,402.04 = 2,630.32 : x
  2. Step 2: Convert to fraction form
    4,263.40/6,402.04 = 2,630.32/x
  3. Step 3: Cross multiply
    4,263.40x = 6,402.04 × 2,630.32
  4. Step 4: Simplify right side
    4,263.40x = 16,839,443.93
  5. Step 5: Solve for x
    x = 16,839,443.93/4,263.40
  6. Step 6: Final answer
    x = 3,949.77

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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.