Home / 8,439.80-11,646.26-4,903.25

Finding the Fourth Proportional to 8,439.80, 11,646.26 and 4,903.25

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Solution

The fourth proportional to 8,439.80, 11,646.26 and 4,903.25 is: 6,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.80 : 11,646.26 = 4,903.25 : x
  2. Step 2: Convert to fraction form
    8,439.80/11,646.26 = 4,903.25/x
  3. Step 3: Cross multiply
    8,439.80x = 11,646.26 × 4,903.25
  4. Step 4: Simplify right side
    8,439.80x = 57,104,441.60
  5. Step 5: Solve for x
    x = 57,104,441.60/8,439.80
  6. Step 6: Final answer
    x = 6,766.09

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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.