Home / 4,743.70-7,106.32-2,890.22

Finding the Fourth Proportional to 4,743.70, 7,106.32 and 2,890.22

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Solution

The fourth proportional to 4,743.70, 7,106.32 and 2,890.22 is: 4,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.70 : 7,106.32 = 2,890.22 : x
  2. Step 2: Convert to fraction form
    4,743.70/7,106.32 = 2,890.22/x
  3. Step 3: Cross multiply
    4,743.70x = 7,106.32 × 2,890.22
  4. Step 4: Simplify right side
    4,743.70x = 20,538,813.74
  5. Step 5: Solve for x
    x = 20,538,813.74/4,743.70
  6. Step 6: Final answer
    x = 4,329.70

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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.