Home / 8,730.21-12,047.33-4,751.33

Finding the Fourth Proportional to 8,730.21, 12,047.33 and 4,751.33

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Solution

The fourth proportional to 8,730.21, 12,047.33 and 4,751.33 is: 6,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.21 : 12,047.33 = 4,751.33 : x
  2. Step 2: Convert to fraction form
    8,730.21/12,047.33 = 4,751.33/x
  3. Step 3: Cross multiply
    8,730.21x = 12,047.33 × 4,751.33
  4. Step 4: Simplify right side
    8,730.21x = 57,240,840.45
  5. Step 5: Solve for x
    x = 57,240,840.45/8,730.21
  6. Step 6: Final answer
    x = 6,556.64

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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.