Home / 8,947.67-13,411.37-4,555.85

Finding the Fourth Proportional to 8,947.67, 13,411.37 and 4,555.85

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Solution

The fourth proportional to 8,947.67, 13,411.37 and 4,555.85 is: 6,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.67 : 13,411.37 = 4,555.85 : x
  2. Step 2: Convert to fraction form
    8,947.67/13,411.37 = 4,555.85/x
  3. Step 3: Cross multiply
    8,947.67x = 13,411.37 × 4,555.85
  4. Step 4: Simplify right side
    8,947.67x = 61,100,100.18
  5. Step 5: Solve for x
    x = 61,100,100.18/8,947.67
  6. Step 6: Final answer
    x = 6,828.61

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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.