Home / 8,860.02-13,288.56-2,619.30

Finding the Fourth Proportional to 8,860.02, 13,288.56 and 2,619.30

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Solution

The fourth proportional to 8,860.02, 13,288.56 and 2,619.30 is: 3,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.02 : 13,288.56 = 2,619.30 : x
  2. Step 2: Convert to fraction form
    8,860.02/13,288.56 = 2,619.30/x
  3. Step 3: Cross multiply
    8,860.02x = 13,288.56 × 2,619.30
  4. Step 4: Simplify right side
    8,860.02x = 34,806,725.21
  5. Step 5: Solve for x
    x = 34,806,725.21/8,860.02
  6. Step 6: Final answer
    x = 3,928.52

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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.