Home / 8,937.63-12,305.70-6,806.34

Finding the Fourth Proportional to 8,937.63, 12,305.70 and 6,806.34

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Solution

The fourth proportional to 8,937.63, 12,305.70 and 6,806.34 is: 9,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.63 : 12,305.70 = 6,806.34 : x
  2. Step 2: Convert to fraction form
    8,937.63/12,305.70 = 6,806.34/x
  3. Step 3: Cross multiply
    8,937.63x = 12,305.70 × 6,806.34
  4. Step 4: Simplify right side
    8,937.63x = 83,756,778.14
  5. Step 5: Solve for x
    x = 83,756,778.14/8,937.63
  6. Step 6: Final answer
    x = 9,371.25

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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.