Home / 8,909.33-12,295.05-4,930.51

Finding the Fourth Proportional to 8,909.33, 12,295.05 and 4,930.51

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Solution

The fourth proportional to 8,909.33, 12,295.05 and 4,930.51 is: 6,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.33 : 12,295.05 = 4,930.51 : x
  2. Step 2: Convert to fraction form
    8,909.33/12,295.05 = 4,930.51/x
  3. Step 3: Cross multiply
    8,909.33x = 12,295.05 × 4,930.51
  4. Step 4: Simplify right side
    8,909.33x = 60,620,866.98
  5. Step 5: Solve for x
    x = 60,620,866.98/8,909.33
  6. Step 6: Final answer
    x = 6,804.20

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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.