Home / 8,303.53-12,457.40-2,758.43

Finding the Fourth Proportional to 8,303.53, 12,457.40 and 2,758.43

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Solution

The fourth proportional to 8,303.53, 12,457.40 and 2,758.43 is: 4,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.53 : 12,457.40 = 2,758.43 : x
  2. Step 2: Convert to fraction form
    8,303.53/12,457.40 = 2,758.43/x
  3. Step 3: Cross multiply
    8,303.53x = 12,457.40 × 2,758.43
  4. Step 4: Simplify right side
    8,303.53x = 34,362,789.80
  5. Step 5: Solve for x
    x = 34,362,789.80/8,303.53
  6. Step 6: Final answer
    x = 4,138.34

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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.