Home / 6,301.78-8,696.70-3,612.98

Finding the Fourth Proportional to 6,301.78, 8,696.70 and 3,612.98

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Solution

The fourth proportional to 6,301.78, 8,696.70 and 3,612.98 is: 4,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.78 : 8,696.70 = 3,612.98 : x
  2. Step 2: Convert to fraction form
    6,301.78/8,696.70 = 3,612.98/x
  3. Step 3: Cross multiply
    6,301.78x = 8,696.70 × 3,612.98
  4. Step 4: Simplify right side
    6,301.78x = 31,421,003.17
  5. Step 5: Solve for x
    x = 31,421,003.17/6,301.78
  6. Step 6: Final answer
    x = 4,986.05

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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.