Home / 8,303.13-12,458.41-4,406.63

Finding the Fourth Proportional to 8,303.13, 12,458.41 and 4,406.63

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Solution

The fourth proportional to 8,303.13, 12,458.41 and 4,406.63 is: 6,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.13 : 12,458.41 = 4,406.63 : x
  2. Step 2: Convert to fraction form
    8,303.13/12,458.41 = 4,406.63/x
  3. Step 3: Cross multiply
    8,303.13x = 12,458.41 × 4,406.63
  4. Step 4: Simplify right side
    8,303.13x = 54,899,529.95
  5. Step 5: Solve for x
    x = 54,899,529.95/8,303.13
  6. Step 6: Final answer
    x = 6,611.91

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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.