Home / 7,830.62-11,722.89-5,227.10

Finding the Fourth Proportional to 7,830.62, 11,722.89 and 5,227.10

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Solution

The fourth proportional to 7,830.62, 11,722.89 and 5,227.10 is: 7,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.62 : 11,722.89 = 5,227.10 : x
  2. Step 2: Convert to fraction form
    7,830.62/11,722.89 = 5,227.10/x
  3. Step 3: Cross multiply
    7,830.62x = 11,722.89 × 5,227.10
  4. Step 4: Simplify right side
    7,830.62x = 61,276,718.32
  5. Step 5: Solve for x
    x = 61,276,718.32/7,830.62
  6. Step 6: Final answer
    x = 7,825.27

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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.