Home / 8,368.10-12,548.50-2,820.41

Finding the Fourth Proportional to 8,368.10, 12,548.50 and 2,820.41

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Solution

The fourth proportional to 8,368.10, 12,548.50 and 2,820.41 is: 4,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.10 : 12,548.50 = 2,820.41 : x
  2. Step 2: Convert to fraction form
    8,368.10/12,548.50 = 2,820.41/x
  3. Step 3: Cross multiply
    8,368.10x = 12,548.50 × 2,820.41
  4. Step 4: Simplify right side
    8,368.10x = 35,391,914.89
  5. Step 5: Solve for x
    x = 35,391,914.89/8,368.10
  6. Step 6: Final answer
    x = 4,229.38

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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.