Home / 5,298.09-7,311.57-2,908.15

Finding the Fourth Proportional to 5,298.09, 7,311.57 and 2,908.15

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Solution

The fourth proportional to 5,298.09, 7,311.57 and 2,908.15 is: 4,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.09 : 7,311.57 = 2,908.15 : x
  2. Step 2: Convert to fraction form
    5,298.09/7,311.57 = 2,908.15/x
  3. Step 3: Cross multiply
    5,298.09x = 7,311.57 × 2,908.15
  4. Step 4: Simplify right side
    5,298.09x = 21,263,142.30
  5. Step 5: Solve for x
    x = 21,263,142.30/5,298.09
  6. Step 6: Final answer
    x = 4,013.36

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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.