Home / 4,555.31-6,830.22-1,778.72

Finding the Fourth Proportional to 4,555.31, 6,830.22 and 1,778.72

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Solution

The fourth proportional to 4,555.31, 6,830.22 and 1,778.72 is: 2,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.31 : 6,830.22 = 1,778.72 : x
  2. Step 2: Convert to fraction form
    4,555.31/6,830.22 = 1,778.72/x
  3. Step 3: Cross multiply
    4,555.31x = 6,830.22 × 1,778.72
  4. Step 4: Simplify right side
    4,555.31x = 12,149,014.77
  5. Step 5: Solve for x
    x = 12,149,014.77/4,555.31
  6. Step 6: Final answer
    x = 2,667.00

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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.