Home / 8,439.73-11,647.02-4,903.18

Finding the Fourth Proportional to 8,439.73, 11,647.02 and 4,903.18

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Solution

The fourth proportional to 8,439.73, 11,647.02 and 4,903.18 is: 6,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.73 : 11,647.02 = 4,903.18 : x
  2. Step 2: Convert to fraction form
    8,439.73/11,647.02 = 4,903.18/x
  3. Step 3: Cross multiply
    8,439.73x = 11,647.02 × 4,903.18
  4. Step 4: Simplify right side
    8,439.73x = 57,107,435.52
  5. Step 5: Solve for x
    x = 57,107,435.52/8,439.73
  6. Step 6: Final answer
    x = 6,766.50

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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.