Home / 5,336.57-8,003.78-1,440.07

Finding the Fourth Proportional to 5,336.57, 8,003.78 and 1,440.07

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Solution

The fourth proportional to 5,336.57, 8,003.78 and 1,440.07 is: 2,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.57 : 8,003.78 = 1,440.07 : x
  2. Step 2: Convert to fraction form
    5,336.57/8,003.78 = 1,440.07/x
  3. Step 3: Cross multiply
    5,336.57x = 8,003.78 × 1,440.07
  4. Step 4: Simplify right side
    5,336.57x = 11,525,981.66
  5. Step 5: Solve for x
    x = 11,525,981.66/5,336.57
  6. Step 6: Final answer
    x = 2,159.81

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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.