Home / 8,485.60-12,718.68-4,581.84

Finding the Fourth Proportional to 8,485.60, 12,718.68 and 4,581.84

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Solution

The fourth proportional to 8,485.60, 12,718.68 and 4,581.84 is: 6,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.60 : 12,718.68 = 4,581.84 : x
  2. Step 2: Convert to fraction form
    8,485.60/12,718.68 = 4,581.84/x
  3. Step 3: Cross multiply
    8,485.60x = 12,718.68 × 4,581.84
  4. Step 4: Simplify right side
    8,485.60x = 58,274,956.77
  5. Step 5: Solve for x
    x = 58,274,956.77/8,485.60
  6. Step 6: Final answer
    x = 6,867.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.