Home / 6,445.08-8,893.68-3,792.06

Finding the Fourth Proportional to 6,445.08, 8,893.68 and 3,792.06

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Solution

The fourth proportional to 6,445.08, 8,893.68 and 3,792.06 is: 5,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.08 : 8,893.68 = 3,792.06 : x
  2. Step 2: Convert to fraction form
    6,445.08/8,893.68 = 3,792.06/x
  3. Step 3: Cross multiply
    6,445.08x = 8,893.68 × 3,792.06
  4. Step 4: Simplify right side
    6,445.08x = 33,725,368.18
  5. Step 5: Solve for x
    x = 33,725,368.18/6,445.08
  6. Step 6: Final answer
    x = 5,232.73

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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.