Home / 4,995.02-6,895.43-3,109.19

Finding the Fourth Proportional to 4,995.02, 6,895.43 and 3,109.19

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Solution

The fourth proportional to 4,995.02, 6,895.43 and 3,109.19 is: 4,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.02 : 6,895.43 = 3,109.19 : x
  2. Step 2: Convert to fraction form
    4,995.02/6,895.43 = 3,109.19/x
  3. Step 3: Cross multiply
    4,995.02x = 6,895.43 × 3,109.19
  4. Step 4: Simplify right side
    4,995.02x = 21,439,163.64
  5. Step 5: Solve for x
    x = 21,439,163.64/4,995.02
  6. Step 6: Final answer
    x = 4,292.11

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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.