Home / 4,940.36-7,410.54-1,430.57

Finding the Fourth Proportional to 4,940.36, 7,410.54 and 1,430.57

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Solution

The fourth proportional to 4,940.36, 7,410.54 and 1,430.57 is: 2,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.36 : 7,410.54 = 1,430.57 : x
  2. Step 2: Convert to fraction form
    4,940.36/7,410.54 = 1,430.57/x
  3. Step 3: Cross multiply
    4,940.36x = 7,410.54 × 1,430.57
  4. Step 4: Simplify right side
    4,940.36x = 10,601,259.16
  5. Step 5: Solve for x
    x = 10,601,259.16/4,940.36
  6. Step 6: Final answer
    x = 2,145.85

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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.