Home / 8,889.24-13,321.98-4,211.40

Finding the Fourth Proportional to 8,889.24, 13,321.98 and 4,211.40

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Solution

The fourth proportional to 8,889.24, 13,321.98 and 4,211.40 is: 6,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.24 : 13,321.98 = 4,211.40 : x
  2. Step 2: Convert to fraction form
    8,889.24/13,321.98 = 4,211.40/x
  3. Step 3: Cross multiply
    8,889.24x = 13,321.98 × 4,211.40
  4. Step 4: Simplify right side
    8,889.24x = 56,104,186.57
  5. Step 5: Solve for x
    x = 56,104,186.57/8,889.24
  6. Step 6: Final answer
    x = 6,311.47

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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.