Home / 8,657.65-11,947.91-4,880.96

Finding the Fourth Proportional to 8,657.65, 11,947.91 and 4,880.96

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Solution

The fourth proportional to 8,657.65, 11,947.91 and 4,880.96 is: 6,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.65 : 11,947.91 = 4,880.96 : x
  2. Step 2: Convert to fraction form
    8,657.65/11,947.91 = 4,880.96/x
  3. Step 3: Cross multiply
    8,657.65x = 11,947.91 × 4,880.96
  4. Step 4: Simplify right side
    8,657.65x = 58,317,186.65
  5. Step 5: Solve for x
    x = 58,317,186.65/8,657.65
  6. Step 6: Final answer
    x = 6,735.91

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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.