Home / 7,799.39-11,699.08-5,621.96

Finding the Fourth Proportional to 7,799.39, 11,699.08 and 5,621.96

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Solution

The fourth proportional to 7,799.39, 11,699.08 and 5,621.96 is: 8,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.39 : 11,699.08 = 5,621.96 : x
  2. Step 2: Convert to fraction form
    7,799.39/11,699.08 = 5,621.96/x
  3. Step 3: Cross multiply
    7,799.39x = 11,699.08 × 5,621.96
  4. Step 4: Simplify right side
    7,799.39x = 65,771,740.81
  5. Step 5: Solve for x
    x = 65,771,740.81/7,799.39
  6. Step 6: Final answer
    x = 8,432.94

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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.