Home / 8,190.08-12,276.04-3,258.40

Finding the Fourth Proportional to 8,190.08, 12,276.04 and 3,258.40

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Solution

The fourth proportional to 8,190.08, 12,276.04 and 3,258.40 is: 4,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.08 : 12,276.04 = 3,258.40 : x
  2. Step 2: Convert to fraction form
    8,190.08/12,276.04 = 3,258.40/x
  3. Step 3: Cross multiply
    8,190.08x = 12,276.04 × 3,258.40
  4. Step 4: Simplify right side
    8,190.08x = 40,000,248.74
  5. Step 5: Solve for x
    x = 40,000,248.74/8,190.08
  6. Step 6: Final answer
    x = 4,883.99

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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.