Home / 5,154.95-7,113.89-2,797.11

Finding the Fourth Proportional to 5,154.95, 7,113.89 and 2,797.11

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Solution

The fourth proportional to 5,154.95, 7,113.89 and 2,797.11 is: 3,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.95 : 7,113.89 = 2,797.11 : x
  2. Step 2: Convert to fraction form
    5,154.95/7,113.89 = 2,797.11/x
  3. Step 3: Cross multiply
    5,154.95x = 7,113.89 × 2,797.11
  4. Step 4: Simplify right side
    5,154.95x = 19,898,339.85
  5. Step 5: Solve for x
    x = 19,898,339.85/5,154.95
  6. Step 6: Final answer
    x = 3,860.04

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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.