Home / 4,909.02-6,773.71-2,891.23

Finding the Fourth Proportional to 4,909.02, 6,773.71 and 2,891.23

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Solution

The fourth proportional to 4,909.02, 6,773.71 and 2,891.23 is: 3,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.02 : 6,773.71 = 2,891.23 : x
  2. Step 2: Convert to fraction form
    4,909.02/6,773.71 = 2,891.23/x
  3. Step 3: Cross multiply
    4,909.02x = 6,773.71 × 2,891.23
  4. Step 4: Simplify right side
    4,909.02x = 19,584,353.56
  5. Step 5: Solve for x
    x = 19,584,353.56/4,909.02
  6. Step 6: Final answer
    x = 3,989.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.