Home / 8,858.94-12,225.20-4,880.05

Finding the Fourth Proportional to 8,858.94, 12,225.20 and 4,880.05

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Solution

The fourth proportional to 8,858.94, 12,225.20 and 4,880.05 is: 6,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.94 : 12,225.20 = 4,880.05 : x
  2. Step 2: Convert to fraction form
    8,858.94/12,225.20 = 4,880.05/x
  3. Step 3: Cross multiply
    8,858.94x = 12,225.20 × 4,880.05
  4. Step 4: Simplify right side
    8,858.94x = 59,659,630.02
  5. Step 5: Solve for x
    x = 59,659,630.02/8,858.94
  6. Step 6: Final answer
    x = 6,734.40

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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.