Home / 8,859.27-12,225.87-4,880.40

Finding the Fourth Proportional to 8,859.27, 12,225.87 and 4,880.40

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Solution

The fourth proportional to 8,859.27, 12,225.87 and 4,880.40 is: 6,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.27 : 12,225.87 = 4,880.40 : x
  2. Step 2: Convert to fraction form
    8,859.27/12,225.87 = 4,880.40/x
  3. Step 3: Cross multiply
    8,859.27x = 12,225.87 × 4,880.40
  4. Step 4: Simplify right side
    8,859.27x = 59,667,135.95
  5. Step 5: Solve for x
    x = 59,667,135.95/8,859.27
  6. Step 6: Final answer
    x = 6,734.99

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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.