Home / 5,276.81-7,282.04-2,919.11

Finding the Fourth Proportional to 5,276.81, 7,282.04 and 2,919.11

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Solution

The fourth proportional to 5,276.81, 7,282.04 and 2,919.11 is: 4,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.81 : 7,282.04 = 2,919.11 : x
  2. Step 2: Convert to fraction form
    5,276.81/7,282.04 = 2,919.11/x
  3. Step 3: Cross multiply
    5,276.81x = 7,282.04 × 2,919.11
  4. Step 4: Simplify right side
    5,276.81x = 21,257,024.78
  5. Step 5: Solve for x
    x = 21,257,024.78/5,276.81
  6. Step 6: Final answer
    x = 4,028.38

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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.