Home / 5,643.81-8,458.02-3,298.86

Finding the Fourth Proportional to 5,643.81, 8,458.02 and 3,298.86

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Solution

The fourth proportional to 5,643.81, 8,458.02 and 3,298.86 is: 4,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.81 : 8,458.02 = 3,298.86 : x
  2. Step 2: Convert to fraction form
    5,643.81/8,458.02 = 3,298.86/x
  3. Step 3: Cross multiply
    5,643.81x = 8,458.02 × 3,298.86
  4. Step 4: Simplify right side
    5,643.81x = 27,901,823.86
  5. Step 5: Solve for x
    x = 27,901,823.86/5,643.81
  6. Step 6: Final answer
    x = 4,943.79

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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.