Home / 4,601.13-6,901.71-1,138.38

Finding the Fourth Proportional to 4,601.13, 6,901.71 and 1,138.38

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Solution

The fourth proportional to 4,601.13, 6,901.71 and 1,138.38 is: 1,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601.13 : 6,901.71 = 1,138.38 : x
  2. Step 2: Convert to fraction form
    4,601.13/6,901.71 = 1,138.38/x
  3. Step 3: Cross multiply
    4,601.13x = 6,901.71 × 1,138.38
  4. Step 4: Simplify right side
    4,601.13x = 7,856,768.63
  5. Step 5: Solve for x
    x = 7,856,768.63/4,601.13
  6. Step 6: Final answer
    x = 1,707.57

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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.