Home / 4,889.72-7,334.67-1,191.98

Finding the Fourth Proportional to 4,889.72, 7,334.67 and 1,191.98

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Solution

The fourth proportional to 4,889.72, 7,334.67 and 1,191.98 is: 1,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.72 : 7,334.67 = 1,191.98 : x
  2. Step 2: Convert to fraction form
    4,889.72/7,334.67 = 1,191.98/x
  3. Step 3: Cross multiply
    4,889.72x = 7,334.67 × 1,191.98
  4. Step 4: Simplify right side
    4,889.72x = 8,742,779.95
  5. Step 5: Solve for x
    x = 8,742,779.95/4,889.72
  6. Step 6: Final answer
    x = 1,787.99

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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.