Home / 4,485.60-6,186.69-3,981.99

Finding the Fourth Proportional to 4,485.60, 6,186.69 and 3,981.99

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Solution

The fourth proportional to 4,485.60, 6,186.69 and 3,981.99 is: 5,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.60 : 6,186.69 = 3,981.99 : x
  2. Step 2: Convert to fraction form
    4,485.60/6,186.69 = 3,981.99/x
  3. Step 3: Cross multiply
    4,485.60x = 6,186.69 × 3,981.99
  4. Step 4: Simplify right side
    4,485.60x = 24,635,337.71
  5. Step 5: Solve for x
    x = 24,635,337.71/4,485.60
  6. Step 6: Final answer
    x = 5,492.09

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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.