Home / 8,364.39-12,546.67-2,521.05

Finding the Fourth Proportional to 8,364.39, 12,546.67 and 2,521.05

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Solution

The fourth proportional to 8,364.39, 12,546.67 and 2,521.05 is: 3,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.39 : 12,546.67 = 2,521.05 : x
  2. Step 2: Convert to fraction form
    8,364.39/12,546.67 = 2,521.05/x
  3. Step 3: Cross multiply
    8,364.39x = 12,546.67 × 2,521.05
  4. Step 4: Simplify right side
    8,364.39x = 31,630,782.40
  5. Step 5: Solve for x
    x = 31,630,782.40/8,364.39
  6. Step 6: Final answer
    x = 3,781.60

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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.