Home / 4,940.18-7,410.66-1,430.24

Finding the Fourth Proportional to 4,940.18, 7,410.66 and 1,430.24

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Solution

The fourth proportional to 4,940.18, 7,410.66 and 1,430.24 is: 2,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.18 : 7,410.66 = 1,430.24 : x
  2. Step 2: Convert to fraction form
    4,940.18/7,410.66 = 1,430.24/x
  3. Step 3: Cross multiply
    4,940.18x = 7,410.66 × 1,430.24
  4. Step 4: Simplify right side
    4,940.18x = 10,599,062.95
  5. Step 5: Solve for x
    x = 10,599,062.95/4,940.18
  6. Step 6: Final answer
    x = 2,145.48

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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.