Home / 6,856.68-10,285.02-4,813.80

Finding the Fourth Proportional to 6,856.68, 10,285.02 and 4,813.80

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Solution

The fourth proportional to 6,856.68, 10,285.02 and 4,813.80 is: 7,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.68 : 10,285.02 = 4,813.80 : x
  2. Step 2: Convert to fraction form
    6,856.68/10,285.02 = 4,813.80/x
  3. Step 3: Cross multiply
    6,856.68x = 10,285.02 × 4,813.80
  4. Step 4: Simplify right side
    6,856.68x = 49,510,029.28
  5. Step 5: Solve for x
    x = 49,510,029.28/6,856.68
  6. Step 6: Final answer
    x = 7,220.70

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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.