Home / 7,186.20-9,916.62-4,827.96

Finding the Fourth Proportional to 7,186.20, 9,916.62 and 4,827.96

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Solution

The fourth proportional to 7,186.20, 9,916.62 and 4,827.96 is: 6,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.20 : 9,916.62 = 4,827.96 : x
  2. Step 2: Convert to fraction form
    7,186.20/9,916.62 = 4,827.96/x
  3. Step 3: Cross multiply
    7,186.20x = 9,916.62 × 4,827.96
  4. Step 4: Simplify right side
    7,186.20x = 47,877,044.70
  5. Step 5: Solve for x
    x = 47,877,044.70/7,186.20
  6. Step 6: Final answer
    x = 6,662.36

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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.