Home / 8,369.33-12,557.63-3,440.07

Finding the Fourth Proportional to 8,369.33, 12,557.63 and 3,440.07

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Solution

The fourth proportional to 8,369.33, 12,557.63 and 3,440.07 is: 5,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.33 : 12,557.63 = 3,440.07 : x
  2. Step 2: Convert to fraction form
    8,369.33/12,557.63 = 3,440.07/x
  3. Step 3: Cross multiply
    8,369.33x = 12,557.63 × 3,440.07
  4. Step 4: Simplify right side
    8,369.33x = 43,199,134.83
  5. Step 5: Solve for x
    x = 43,199,134.83/8,369.33
  6. Step 6: Final answer
    x = 5,161.60

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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.