Home / 4,901.87-7,351.92-1,438.31

Finding the Fourth Proportional to 4,901.87, 7,351.92 and 1,438.31

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Solution

The fourth proportional to 4,901.87, 7,351.92 and 1,438.31 is: 2,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.87 : 7,351.92 = 1,438.31 : x
  2. Step 2: Convert to fraction form
    4,901.87/7,351.92 = 1,438.31/x
  3. Step 3: Cross multiply
    4,901.87x = 7,351.92 × 1,438.31
  4. Step 4: Simplify right side
    4,901.87x = 10,574,358.44
  5. Step 5: Solve for x
    x = 10,574,358.44/4,901.87
  6. Step 6: Final answer
    x = 2,157.21

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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.