Home / 4,901.36-6,763.91-2,912.90

Finding the Fourth Proportional to 4,901.36, 6,763.91 and 2,912.90

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Solution

The fourth proportional to 4,901.36, 6,763.91 and 2,912.90 is: 4,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.36 : 6,763.91 = 2,912.90 : x
  2. Step 2: Convert to fraction form
    4,901.36/6,763.91 = 2,912.90/x
  3. Step 3: Cross multiply
    4,901.36x = 6,763.91 × 2,912.90
  4. Step 4: Simplify right side
    4,901.36x = 19,702,545.05
  5. Step 5: Solve for x
    x = 19,702,545.05/4,901.36
  6. Step 6: Final answer
    x = 4,019.82

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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.