Home / 8,909.25-12,295.34-4,930.36

Finding the Fourth Proportional to 8,909.25, 12,295.34 and 4,930.36

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Solution

The fourth proportional to 8,909.25, 12,295.34 and 4,930.36 is: 6,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.25 : 12,295.34 = 4,930.36 : x
  2. Step 2: Convert to fraction form
    8,909.25/12,295.34 = 4,930.36/x
  3. Step 3: Cross multiply
    8,909.25x = 12,295.34 × 4,930.36
  4. Step 4: Simplify right side
    8,909.25x = 60,620,461.02
  5. Step 5: Solve for x
    x = 60,620,461.02/8,909.25
  6. Step 6: Final answer
    x = 6,804.22

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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.