Home / 8,137.16-11,228.98-4,411.08

Finding the Fourth Proportional to 8,137.16, 11,228.98 and 4,411.08

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Solution

The fourth proportional to 8,137.16, 11,228.98 and 4,411.08 is: 6,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.16 : 11,228.98 = 4,411.08 : x
  2. Step 2: Convert to fraction form
    8,137.16/11,228.98 = 4,411.08/x
  3. Step 3: Cross multiply
    8,137.16x = 11,228.98 × 4,411.08
  4. Step 4: Simplify right side
    8,137.16x = 49,531,929.10
  5. Step 5: Solve for x
    x = 49,531,929.10/8,137.16
  6. Step 6: Final answer
    x = 6,087.13

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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.