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Finding the Fourth Proportional to 5,916.09, 8,175.00 and 5,065.18

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Solution

The fourth proportional to 5,916.09, 8,175.00 and 5,065.18 is: 6,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.09 : 8,175.00 = 5,065.18 : x
  2. Step 2: Convert to fraction form
    5,916.09/8,175.00 = 5,065.18/x
  3. Step 3: Cross multiply
    5,916.09x = 8,175.00 × 5,065.18
  4. Step 4: Simplify right side
    5,916.09x = 41,407,876.80
  5. Step 5: Solve for x
    x = 41,407,876.80/5,916.09
  6. Step 6: Final answer
    x = 6,999.20

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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.