Home / 4,815.09-6,643.62-2,719.17

Finding the Fourth Proportional to 4,815.09, 6,643.62 and 2,719.17

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Solution

The fourth proportional to 4,815.09, 6,643.62 and 2,719.17 is: 3,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.09 : 6,643.62 = 2,719.17 : x
  2. Step 2: Convert to fraction form
    4,815.09/6,643.62 = 2,719.17/x
  3. Step 3: Cross multiply
    4,815.09x = 6,643.62 × 2,719.17
  4. Step 4: Simplify right side
    4,815.09x = 18,065,132.20
  5. Step 5: Solve for x
    x = 18,065,132.20/4,815.09
  6. Step 6: Final answer
    x = 3,751.77

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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.