Home / 8,657.36-11,948.10-4,880.60

Finding the Fourth Proportional to 8,657.36, 11,948.10 and 4,880.60

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Solution

The fourth proportional to 8,657.36, 11,948.10 and 4,880.60 is: 6,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.36 : 11,948.10 = 4,880.60 : x
  2. Step 2: Convert to fraction form
    8,657.36/11,948.10 = 4,880.60/x
  3. Step 3: Cross multiply
    8,657.36x = 11,948.10 × 4,880.60
  4. Step 4: Simplify right side
    8,657.36x = 58,313,896.86
  5. Step 5: Solve for x
    x = 58,313,896.86/8,657.36
  6. Step 6: Final answer
    x = 6,735.76

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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.