Home / 5,290.32-7,935.63-2,002.80

Finding the Fourth Proportional to 5,290.32, 7,935.63 and 2,002.80

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Solution

The fourth proportional to 5,290.32, 7,935.63 and 2,002.80 is: 3,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.32 : 7,935.63 = 2,002.80 : x
  2. Step 2: Convert to fraction form
    5,290.32/7,935.63 = 2,002.80/x
  3. Step 3: Cross multiply
    5,290.32x = 7,935.63 × 2,002.80
  4. Step 4: Simplify right side
    5,290.32x = 15,893,479.76
  5. Step 5: Solve for x
    x = 15,893,479.76/5,290.32
  6. Step 6: Final answer
    x = 3,004.26

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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.