Home / 8,154.16-11,252.74-4,428.16

Finding the Fourth Proportional to 8,154.16, 11,252.74 and 4,428.16

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Solution

The fourth proportional to 8,154.16, 11,252.74 and 4,428.16 is: 6,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.16 : 11,252.74 = 4,428.16 : x
  2. Step 2: Convert to fraction form
    8,154.16/11,252.74 = 4,428.16/x
  3. Step 3: Cross multiply
    8,154.16x = 11,252.74 × 4,428.16
  4. Step 4: Simplify right side
    8,154.16x = 49,828,933.16
  5. Step 5: Solve for x
    x = 49,828,933.16/8,154.16
  6. Step 6: Final answer
    x = 6,110.86

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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.