Home / 4,116.78-5,678.90-2,622.06

Finding the Fourth Proportional to 4,116.78, 5,678.90 and 2,622.06

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Solution

The fourth proportional to 4,116.78, 5,678.90 and 2,622.06 is: 3,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.78 : 5,678.90 = 2,622.06 : x
  2. Step 2: Convert to fraction form
    4,116.78/5,678.90 = 2,622.06/x
  3. Step 3: Cross multiply
    4,116.78x = 5,678.90 × 2,622.06
  4. Step 4: Simplify right side
    4,116.78x = 14,890,416.53
  5. Step 5: Solve for x
    x = 14,890,416.53/4,116.78
  6. Step 6: Final answer
    x = 3,617.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.