Home / 9,127.56-13,686.67-4,447.78

Finding the Fourth Proportional to 9,127.56, 13,686.67 and 4,447.78

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Solution

The fourth proportional to 9,127.56, 13,686.67 and 4,447.78 is: 6,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.56 : 13,686.67 = 4,447.78 : x
  2. Step 2: Convert to fraction form
    9,127.56/13,686.67 = 4,447.78/x
  3. Step 3: Cross multiply
    9,127.56x = 13,686.67 × 4,447.78
  4. Step 4: Simplify right side
    9,127.56x = 60,875,297.09
  5. Step 5: Solve for x
    x = 60,875,297.09/9,127.56
  6. Step 6: Final answer
    x = 6,669.39

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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.