Home / 4,089.08-5,643.10-2,320.85

Finding the Fourth Proportional to 4,089.08, 5,643.10 and 2,320.85

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Solution

The fourth proportional to 4,089.08, 5,643.10 and 2,320.85 is: 3,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.08 : 5,643.10 = 2,320.85 : x
  2. Step 2: Convert to fraction form
    4,089.08/5,643.10 = 2,320.85/x
  3. Step 3: Cross multiply
    4,089.08x = 5,643.10 × 2,320.85
  4. Step 4: Simplify right side
    4,089.08x = 13,096,774.53
  5. Step 5: Solve for x
    x = 13,096,774.53/4,089.08
  6. Step 6: Final answer
    x = 3,202.87

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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.