Home / 6,112.16-8,435.04-4,018.40

Finding the Fourth Proportional to 6,112.16, 8,435.04 and 4,018.40

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Solution

The fourth proportional to 6,112.16, 8,435.04 and 4,018.40 is: 5,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.16 : 8,435.04 = 4,018.40 : x
  2. Step 2: Convert to fraction form
    6,112.16/8,435.04 = 4,018.40/x
  3. Step 3: Cross multiply
    6,112.16x = 8,435.04 × 4,018.40
  4. Step 4: Simplify right side
    6,112.16x = 33,895,364.74
  5. Step 5: Solve for x
    x = 33,895,364.74/6,112.16
  6. Step 6: Final answer
    x = 5,545.56

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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.