Home / 4,520.32-6,780.72-1,402.48

Finding the Fourth Proportional to 4,520.32, 6,780.72 and 1,402.48

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Solution

The fourth proportional to 4,520.32, 6,780.72 and 1,402.48 is: 2,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.32 : 6,780.72 = 1,402.48 : x
  2. Step 2: Convert to fraction form
    4,520.32/6,780.72 = 1,402.48/x
  3. Step 3: Cross multiply
    4,520.32x = 6,780.72 × 1,402.48
  4. Step 4: Simplify right side
    4,520.32x = 9,509,824.19
  5. Step 5: Solve for x
    x = 9,509,824.19/4,520.32
  6. Step 6: Final answer
    x = 2,103.79

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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.