Home / 4,119.32-5,693.55-3,643.85

Finding the Fourth Proportional to 4,119.32, 5,693.55 and 3,643.85

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Solution

The fourth proportional to 4,119.32, 5,693.55 and 3,643.85 is: 5,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.32 : 5,693.55 = 3,643.85 : x
  2. Step 2: Convert to fraction form
    4,119.32/5,693.55 = 3,643.85/x
  3. Step 3: Cross multiply
    4,119.32x = 5,693.55 × 3,643.85
  4. Step 4: Simplify right side
    4,119.32x = 20,746,442.17
  5. Step 5: Solve for x
    x = 20,746,442.17/4,119.32
  6. Step 6: Final answer
    x = 5,036.38

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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.