Home / 8,885.63-13,319.18-3,618.35

Finding the Fourth Proportional to 8,885.63, 13,319.18 and 3,618.35

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Solution

The fourth proportional to 8,885.63, 13,319.18 and 3,618.35 is: 5,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.63 : 13,319.18 = 3,618.35 : x
  2. Step 2: Convert to fraction form
    8,885.63/13,319.18 = 3,618.35/x
  3. Step 3: Cross multiply
    8,885.63x = 13,319.18 × 3,618.35
  4. Step 4: Simplify right side
    8,885.63x = 48,193,529.05
  5. Step 5: Solve for x
    x = 48,193,529.05/8,885.63
  6. Step 6: Final answer
    x = 5,423.76

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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.