Home / 8,120.21-11,205.77-4,583.39

Finding the Fourth Proportional to 8,120.21, 11,205.77 and 4,583.39

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Solution

The fourth proportional to 8,120.21, 11,205.77 and 4,583.39 is: 6,325.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.21 : 11,205.77 = 4,583.39 : x
  2. Step 2: Convert to fraction form
    8,120.21/11,205.77 = 4,583.39/x
  3. Step 3: Cross multiply
    8,120.21x = 11,205.77 × 4,583.39
  4. Step 4: Simplify right side
    8,120.21x = 51,360,335.21
  5. Step 5: Solve for x
    x = 51,360,335.21/8,120.21
  6. Step 6: Final answer
    x = 6,325.00

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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.