Home / 8,209.95-11,329.83-4,673.16

Finding the Fourth Proportional to 8,209.95, 11,329.83 and 4,673.16

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Solution

The fourth proportional to 8,209.95, 11,329.83 and 4,673.16 is: 6,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.95 : 11,329.83 = 4,673.16 : x
  2. Step 2: Convert to fraction form
    8,209.95/11,329.83 = 4,673.16/x
  3. Step 3: Cross multiply
    8,209.95x = 11,329.83 × 4,673.16
  4. Step 4: Simplify right side
    8,209.95x = 52,946,108.36
  5. Step 5: Solve for x
    x = 52,946,108.36/8,209.95
  6. Step 6: Final answer
    x = 6,449.02

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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.