Home / 7,799.67-11,688.54-5,197.14

Finding the Fourth Proportional to 7,799.67, 11,688.54 and 5,197.14

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Solution

The fourth proportional to 7,799.67, 11,688.54 and 5,197.14 is: 7,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.67 : 11,688.54 = 5,197.14 : x
  2. Step 2: Convert to fraction form
    7,799.67/11,688.54 = 5,197.14/x
  3. Step 3: Cross multiply
    7,799.67x = 11,688.54 × 5,197.14
  4. Step 4: Simplify right side
    7,799.67x = 60,746,978.78
  5. Step 5: Solve for x
    x = 60,746,978.78/7,799.67
  6. Step 6: Final answer
    x = 7,788.40

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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.