Home / 8,856.47-13,280.94-3,305.94

Finding the Fourth Proportional to 8,856.47, 13,280.94 and 3,305.94

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Solution

The fourth proportional to 8,856.47, 13,280.94 and 3,305.94 is: 4,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.47 : 13,280.94 = 3,305.94 : x
  2. Step 2: Convert to fraction form
    8,856.47/13,280.94 = 3,305.94/x
  3. Step 3: Cross multiply
    8,856.47x = 13,280.94 × 3,305.94
  4. Step 4: Simplify right side
    8,856.47x = 43,905,990.78
  5. Step 5: Solve for x
    x = 43,905,990.78/8,856.47
  6. Step 6: Final answer
    x = 4,957.50

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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.