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Finding the Fourth Proportional to 7,308, 10,085.04 and 4,325.58

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Solution

The fourth proportional to 7,308, 10,085.04 and 4,325.58 is: 5,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308 : 10,085.04 = 4,325.58 : x
  2. Step 2: Convert to fraction form
    7,308/10,085.04 = 4,325.58/x
  3. Step 3: Cross multiply
    7,308x = 10,085.04 × 4,325.58
  4. Step 4: Simplify right side
    7,308x = 43,623,647.32
  5. Step 5: Solve for x
    x = 43,623,647.32/7,308
  6. Step 6: Final answer
    x = 5,969.30

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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.