Home / 8,862.51-13,298.63-3,319.68

Finding the Fourth Proportional to 8,862.51, 13,298.63 and 3,319.68

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Solution

The fourth proportional to 8,862.51, 13,298.63 and 3,319.68 is: 4,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.51 : 13,298.63 = 3,319.68 : x
  2. Step 2: Convert to fraction form
    8,862.51/13,298.63 = 3,319.68/x
  3. Step 3: Cross multiply
    8,862.51x = 13,298.63 × 3,319.68
  4. Step 4: Simplify right side
    8,862.51x = 44,147,179.44
  5. Step 5: Solve for x
    x = 44,147,179.44/8,862.51
  6. Step 6: Final answer
    x = 4,981.34

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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.