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Finding the Fourth Proportional to 6,518.56, 9,772.04 and 2,357.64

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Solution

The fourth proportional to 6,518.56, 9,772.04 and 2,357.64 is: 3,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.56 : 9,772.04 = 2,357.64 : x
  2. Step 2: Convert to fraction form
    6,518.56/9,772.04 = 2,357.64/x
  3. Step 3: Cross multiply
    6,518.56x = 9,772.04 × 2,357.64
  4. Step 4: Simplify right side
    6,518.56x = 23,038,981.34
  5. Step 5: Solve for x
    x = 23,038,981.34/6,518.56
  6. Step 6: Final answer
    x = 3,534.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.