Home / 5,328.60-7,993.59-2,860.02

Finding the Fourth Proportional to 5,328.60, 7,993.59 and 2,860.02

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Solution

The fourth proportional to 5,328.60, 7,993.59 and 2,860.02 is: 4,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.60 : 7,993.59 = 2,860.02 : x
  2. Step 2: Convert to fraction form
    5,328.60/7,993.59 = 2,860.02/x
  3. Step 3: Cross multiply
    5,328.60x = 7,993.59 × 2,860.02
  4. Step 4: Simplify right side
    5,328.60x = 22,861,827.27
  5. Step 5: Solve for x
    x = 22,861,827.27/5,328.60
  6. Step 6: Final answer
    x = 4,290.40

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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.