Home / 6,299.12-9,448.02-2,139.02

Finding the Fourth Proportional to 6,299.12, 9,448.02 and 2,139.02

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Solution

The fourth proportional to 6,299.12, 9,448.02 and 2,139.02 is: 3,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.12 : 9,448.02 = 2,139.02 : x
  2. Step 2: Convert to fraction form
    6,299.12/9,448.02 = 2,139.02/x
  3. Step 3: Cross multiply
    6,299.12x = 9,448.02 × 2,139.02
  4. Step 4: Simplify right side
    6,299.12x = 20,209,503.74
  5. Step 5: Solve for x
    x = 20,209,503.74/6,299.12
  6. Step 6: Final answer
    x = 3,208.31

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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.