Home / 8,303.50-12,436.62-6,449.01

Finding the Fourth Proportional to 8,303.50, 12,436.62 and 6,449.01

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Solution

The fourth proportional to 8,303.50, 12,436.62 and 6,449.01 is: 9,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.50 : 12,436.62 = 6,449.01 : x
  2. Step 2: Convert to fraction form
    8,303.50/12,436.62 = 6,449.01/x
  3. Step 3: Cross multiply
    8,303.50x = 12,436.62 × 6,449.01
  4. Step 4: Simplify right side
    8,303.50x = 80,203,886.75
  5. Step 5: Solve for x
    x = 80,203,886.75/8,303.50
  6. Step 6: Final answer
    x = 9,659.05

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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.