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Finding the Fourth Proportional to 8,984.23, 12,398.32 and 5,208.32

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Solution

The fourth proportional to 8,984.23, 12,398.32 and 5,208.32 is: 7,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.23 : 12,398.32 = 5,208.32 : x
  2. Step 2: Convert to fraction form
    8,984.23/12,398.32 = 5,208.32/x
  3. Step 3: Cross multiply
    8,984.23x = 12,398.32 × 5,208.32
  4. Step 4: Simplify right side
    8,984.23x = 64,574,356.49
  5. Step 5: Solve for x
    x = 64,574,356.49/8,984.23
  6. Step 6: Final answer
    x = 7,187.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.