Home / 6,856.81-10,288.93-2,910.29

Finding the Fourth Proportional to 6,856.81, 10,288.93 and 2,910.29

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Solution

The fourth proportional to 6,856.81, 10,288.93 and 2,910.29 is: 4,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.81 : 10,288.93 = 2,910.29 : x
  2. Step 2: Convert to fraction form
    6,856.81/10,288.93 = 2,910.29/x
  3. Step 3: Cross multiply
    6,856.81x = 10,288.93 × 2,910.29
  4. Step 4: Simplify right side
    6,856.81x = 29,943,725.92
  5. Step 5: Solve for x
    x = 29,943,725.92/6,856.81
  6. Step 6: Final answer
    x = 4,367.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.