Home / 5,310.79-7,960.69-1,799.64

Finding the Fourth Proportional to 5,310.79, 7,960.69 and 1,799.64

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Solution

The fourth proportional to 5,310.79, 7,960.69 and 1,799.64 is: 2,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.79 : 7,960.69 = 1,799.64 : x
  2. Step 2: Convert to fraction form
    5,310.79/7,960.69 = 1,799.64/x
  3. Step 3: Cross multiply
    5,310.79x = 7,960.69 × 1,799.64
  4. Step 4: Simplify right side
    5,310.79x = 14,326,376.15
  5. Step 5: Solve for x
    x = 14,326,376.15/5,310.79
  6. Step 6: Final answer
    x = 2,697.60

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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.