Home / 4,640.54-6,960.71-1,130.56

Finding the Fourth Proportional to 4,640.54, 6,960.71 and 1,130.56

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Solution

The fourth proportional to 4,640.54, 6,960.71 and 1,130.56 is: 1,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.54 : 6,960.71 = 1,130.56 : x
  2. Step 2: Convert to fraction form
    4,640.54/6,960.71 = 1,130.56/x
  3. Step 3: Cross multiply
    4,640.54x = 6,960.71 × 1,130.56
  4. Step 4: Simplify right side
    4,640.54x = 7,869,518.52
  5. Step 5: Solve for x
    x = 7,869,518.52/4,640.54
  6. Step 6: Final answer
    x = 1,695.82

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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.