Home / 8,548.25-12,820.32-4,386.11

Finding the Fourth Proportional to 8,548.25, 12,820.32 and 4,386.11

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Solution

The fourth proportional to 8,548.25, 12,820.32 and 4,386.11 is: 6,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.25 : 12,820.32 = 4,386.11 : x
  2. Step 2: Convert to fraction form
    8,548.25/12,820.32 = 4,386.11/x
  3. Step 3: Cross multiply
    8,548.25x = 12,820.32 × 4,386.11
  4. Step 4: Simplify right side
    8,548.25x = 56,231,333.76
  5. Step 5: Solve for x
    x = 56,231,333.76/8,548.25
  6. Step 6: Final answer
    x = 6,578.11

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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.