Home / 4,140.23-6,208.20-1,218.15

Finding the Fourth Proportional to 4,140.23, 6,208.20 and 1,218.15

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Solution

The fourth proportional to 4,140.23, 6,208.20 and 1,218.15 is: 1,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.23 : 6,208.20 = 1,218.15 : x
  2. Step 2: Convert to fraction form
    4,140.23/6,208.20 = 1,218.15/x
  3. Step 3: Cross multiply
    4,140.23x = 6,208.20 × 1,218.15
  4. Step 4: Simplify right side
    4,140.23x = 7,562,518.83
  5. Step 5: Solve for x
    x = 7,562,518.83/4,140.23
  6. Step 6: Final answer
    x = 1,826.60

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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.