Home / 8,859.12-12,225.43-4,880.60

Finding the Fourth Proportional to 8,859.12, 12,225.43 and 4,880.60

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Solution

The fourth proportional to 8,859.12, 12,225.43 and 4,880.60 is: 6,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.12 : 12,225.43 = 4,880.60 : x
  2. Step 2: Convert to fraction form
    8,859.12/12,225.43 = 4,880.60/x
  3. Step 3: Cross multiply
    8,859.12x = 12,225.43 × 4,880.60
  4. Step 4: Simplify right side
    8,859.12x = 59,667,433.66
  5. Step 5: Solve for x
    x = 59,667,433.66/8,859.12
  6. Step 6: Final answer
    x = 6,735.14

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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.