Home / 8,855.02-12,218.07-5,316.94

Finding the Fourth Proportional to 8,855.02, 12,218.07 and 5,316.94

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Solution

The fourth proportional to 8,855.02, 12,218.07 and 5,316.94 is: 7,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.02 : 12,218.07 = 5,316.94 : x
  2. Step 2: Convert to fraction form
    8,855.02/12,218.07 = 5,316.94/x
  3. Step 3: Cross multiply
    8,855.02x = 12,218.07 × 5,316.94
  4. Step 4: Simplify right side
    8,855.02x = 64,962,745.11
  5. Step 5: Solve for x
    x = 64,962,745.11/8,855.02
  6. Step 6: Final answer
    x = 7,336.26

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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.