Home / 8,819.36-12,170.64-4,840.23

Finding the Fourth Proportional to 8,819.36, 12,170.64 and 4,840.23

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Solution

The fourth proportional to 8,819.36, 12,170.64 and 4,840.23 is: 6,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.36 : 12,170.64 = 4,840.23 : x
  2. Step 2: Convert to fraction form
    8,819.36/12,170.64 = 4,840.23/x
  3. Step 3: Cross multiply
    8,819.36x = 12,170.64 × 4,840.23
  4. Step 4: Simplify right side
    8,819.36x = 58,908,696.85
  5. Step 5: Solve for x
    x = 58,908,696.85/8,819.36
  6. Step 6: Final answer
    x = 6,679.48

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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.