Home / 8,454.41-12,683.77-4,947.36

Finding the Fourth Proportional to 8,454.41, 12,683.77 and 4,947.36

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Solution

The fourth proportional to 8,454.41, 12,683.77 and 4,947.36 is: 7,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.41 : 12,683.77 = 4,947.36 : x
  2. Step 2: Convert to fraction form
    8,454.41/12,683.77 = 4,947.36/x
  3. Step 3: Cross multiply
    8,454.41x = 12,683.77 × 4,947.36
  4. Step 4: Simplify right side
    8,454.41x = 62,751,176.35
  5. Step 5: Solve for x
    x = 62,751,176.35/8,454.41
  6. Step 6: Final answer
    x = 7,422.30

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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.