Home / 7,830.34-11,716.68-4,712.24

Finding the Fourth Proportional to 7,830.34, 11,716.68 and 4,712.24

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Solution

The fourth proportional to 7,830.34, 11,716.68 and 4,712.24 is: 7,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.34 : 11,716.68 = 4,712.24 : x
  2. Step 2: Convert to fraction form
    7,830.34/11,716.68 = 4,712.24/x
  3. Step 3: Cross multiply
    7,830.34x = 11,716.68 × 4,712.24
  4. Step 4: Simplify right side
    7,830.34x = 55,211,855.13
  5. Step 5: Solve for x
    x = 55,211,855.13/7,830.34
  6. Step 6: Final answer
    x = 7,051.02

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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.