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Finding the Fourth Proportional to 5,788.48, 7,987.20 and 3,430.24

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Solution

The fourth proportional to 5,788.48, 7,987.20 and 3,430.24 is: 4,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.48 : 7,987.20 = 3,430.24 : x
  2. Step 2: Convert to fraction form
    5,788.48/7,987.20 = 3,430.24/x
  3. Step 3: Cross multiply
    5,788.48x = 7,987.20 × 3,430.24
  4. Step 4: Simplify right side
    5,788.48x = 27,398,012.93
  5. Step 5: Solve for x
    x = 27,398,012.93/5,788.48
  6. Step 6: Final answer
    x = 4,733.20

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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.