Home / 8,948.21-12,348.62-4,914.77

Finding the Fourth Proportional to 8,948.21, 12,348.62 and 4,914.77

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Solution

The fourth proportional to 8,948.21, 12,348.62 and 4,914.77 is: 6,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.21 : 12,348.62 = 4,914.77 : x
  2. Step 2: Convert to fraction form
    8,948.21/12,348.62 = 4,914.77/x
  3. Step 3: Cross multiply
    8,948.21x = 12,348.62 × 4,914.77
  4. Step 4: Simplify right side
    8,948.21x = 60,690,627.12
  5. Step 5: Solve for x
    x = 60,690,627.12/8,948.21
  6. Step 6: Final answer
    x = 6,782.43

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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.