Home / 5,748.32-8,619.36-1,851.68

Finding the Fourth Proportional to 5,748.32, 8,619.36 and 1,851.68

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Solution

The fourth proportional to 5,748.32, 8,619.36 and 1,851.68 is: 2,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.32 : 8,619.36 = 1,851.68 : x
  2. Step 2: Convert to fraction form
    5,748.32/8,619.36 = 1,851.68/x
  3. Step 3: Cross multiply
    5,748.32x = 8,619.36 × 1,851.68
  4. Step 4: Simplify right side
    5,748.32x = 15,960,296.52
  5. Step 5: Solve for x
    x = 15,960,296.52/5,748.32
  6. Step 6: Final answer
    x = 2,776.51

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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.