Home / 6,827.20-10,244.78-2,878.22

Finding the Fourth Proportional to 6,827.20, 10,244.78 and 2,878.22

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Solution

The fourth proportional to 6,827.20, 10,244.78 and 2,878.22 is: 4,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.20 : 10,244.78 = 2,878.22 : x
  2. Step 2: Convert to fraction form
    6,827.20/10,244.78 = 2,878.22/x
  3. Step 3: Cross multiply
    6,827.20x = 10,244.78 × 2,878.22
  4. Step 4: Simplify right side
    6,827.20x = 29,486,752.71
  5. Step 5: Solve for x
    x = 29,486,752.71/6,827.20
  6. Step 6: Final answer
    x = 4,319.01

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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.