Home / 7,435.62-11,139.06-4,138.74

Finding the Fourth Proportional to 7,435.62, 11,139.06 and 4,138.74

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Solution

The fourth proportional to 7,435.62, 11,139.06 and 4,138.74 is: 6,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.62 : 11,139.06 = 4,138.74 : x
  2. Step 2: Convert to fraction form
    7,435.62/11,139.06 = 4,138.74/x
  3. Step 3: Cross multiply
    7,435.62x = 11,139.06 × 4,138.74
  4. Step 4: Simplify right side
    7,435.62x = 46,101,673.18
  5. Step 5: Solve for x
    x = 46,101,673.18/7,435.62
  6. Step 6: Final answer
    x = 6,200.11

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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.