Home / 4,561.29-6,840.95-1,229.45

Finding the Fourth Proportional to 4,561.29, 6,840.95 and 1,229.45

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Solution

The fourth proportional to 4,561.29, 6,840.95 and 1,229.45 is: 1,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.29 : 6,840.95 = 1,229.45 : x
  2. Step 2: Convert to fraction form
    4,561.29/6,840.95 = 1,229.45/x
  3. Step 3: Cross multiply
    4,561.29x = 6,840.95 × 1,229.45
  4. Step 4: Simplify right side
    4,561.29x = 8,410,565.63
  5. Step 5: Solve for x
    x = 8,410,565.63/4,561.29
  6. Step 6: Final answer
    x = 1,843.90

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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.