Home / 4,285.32-6,419.67-2,820.06

Finding the Fourth Proportional to 4,285.32, 6,419.67 and 2,820.06

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Solution

The fourth proportional to 4,285.32, 6,419.67 and 2,820.06 is: 4,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.32 : 6,419.67 = 2,820.06 : x
  2. Step 2: Convert to fraction form
    4,285.32/6,419.67 = 2,820.06/x
  3. Step 3: Cross multiply
    4,285.32x = 6,419.67 × 2,820.06
  4. Step 4: Simplify right side
    4,285.32x = 18,103,854.58
  5. Step 5: Solve for x
    x = 18,103,854.58/4,285.32
  6. Step 6: Final answer
    x = 4,224.62

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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.