Home / 7,411.05-11,124.68-4,640.85

Finding the Fourth Proportional to 7,411.05, 11,124.68 and 4,640.85

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Solution

The fourth proportional to 7,411.05, 11,124.68 and 4,640.85 is: 6,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.05 : 11,124.68 = 4,640.85 : x
  2. Step 2: Convert to fraction form
    7,411.05/11,124.68 = 4,640.85/x
  3. Step 3: Cross multiply
    7,411.05x = 11,124.68 × 4,640.85
  4. Step 4: Simplify right side
    7,411.05x = 51,627,947.97
  5. Step 5: Solve for x
    x = 51,627,947.97/7,411.05
  6. Step 6: Final answer
    x = 6,966.35

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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.