Home / 5,186.95-7,157.71-2,948.52

Finding the Fourth Proportional to 5,186.95, 7,157.71 and 2,948.52

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Solution

The fourth proportional to 5,186.95, 7,157.71 and 2,948.52 is: 4,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.95 : 7,157.71 = 2,948.52 : x
  2. Step 2: Convert to fraction form
    5,186.95/7,157.71 = 2,948.52/x
  3. Step 3: Cross multiply
    5,186.95x = 7,157.71 × 2,948.52
  4. Step 4: Simplify right side
    5,186.95x = 21,104,651.09
  5. Step 5: Solve for x
    x = 21,104,651.09/5,186.95
  6. Step 6: Final answer
    x = 4,068.80

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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.