Home / 5,158.94-7,119.30-2,801.04

Finding the Fourth Proportional to 5,158.94, 7,119.30 and 2,801.04

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Solution

The fourth proportional to 5,158.94, 7,119.30 and 2,801.04 is: 3,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.94 : 7,119.30 = 2,801.04 : x
  2. Step 2: Convert to fraction form
    5,158.94/7,119.30 = 2,801.04/x
  3. Step 3: Cross multiply
    5,158.94x = 7,119.30 × 2,801.04
  4. Step 4: Simplify right side
    5,158.94x = 19,941,444.07
  5. Step 5: Solve for x
    x = 19,941,444.07/5,158.94
  6. Step 6: Final answer
    x = 3,865.42

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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.