Home / 5,117.50-7,678.14-2,522.26

Finding the Fourth Proportional to 5,117.50, 7,678.14 and 2,522.26

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Solution

The fourth proportional to 5,117.50, 7,678.14 and 2,522.26 is: 3,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.50 : 7,678.14 = 2,522.26 : x
  2. Step 2: Convert to fraction form
    5,117.50/7,678.14 = 2,522.26/x
  3. Step 3: Cross multiply
    5,117.50x = 7,678.14 × 2,522.26
  4. Step 4: Simplify right side
    5,117.50x = 19,366,265.40
  5. Step 5: Solve for x
    x = 19,366,265.40/5,117.50
  6. Step 6: Final answer
    x = 3,784.32

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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.