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Finding the Fourth Proportional to 5,326.74, 7,355.43 and 5,089.14

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Solution

The fourth proportional to 5,326.74, 7,355.43 and 5,089.14 is: 7,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.74 : 7,355.43 = 5,089.14 : x
  2. Step 2: Convert to fraction form
    5,326.74/7,355.43 = 5,089.14/x
  3. Step 3: Cross multiply
    5,326.74x = 7,355.43 × 5,089.14
  4. Step 4: Simplify right side
    5,326.74x = 37,432,813.03
  5. Step 5: Solve for x
    x = 37,432,813.03/5,326.74
  6. Step 6: Final answer
    x = 7,027.34

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1.5x scale

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.