Home / 8,868.22-12,237.91-4,889.36

Finding the Fourth Proportional to 8,868.22, 12,237.91 and 4,889.36

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Solution

The fourth proportional to 8,868.22, 12,237.91 and 4,889.36 is: 6,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.22 : 12,237.91 = 4,889.36 : x
  2. Step 2: Convert to fraction form
    8,868.22/12,237.91 = 4,889.36/x
  3. Step 3: Cross multiply
    8,868.22x = 12,237.91 × 4,889.36
  4. Step 4: Simplify right side
    8,868.22x = 59,835,566.01
  5. Step 5: Solve for x
    x = 59,835,566.01/8,868.22
  6. Step 6: Final answer
    x = 6,747.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.