Home / 9,788.23-13,508.43-5,539.29

Finding the Fourth Proportional to 9,788.23, 13,508.43 and 5,539.29

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Solution

The fourth proportional to 9,788.23, 13,508.43 and 5,539.29 is: 7,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.23 : 13,508.43 = 5,539.29 : x
  2. Step 2: Convert to fraction form
    9,788.23/13,508.43 = 5,539.29/x
  3. Step 3: Cross multiply
    9,788.23x = 13,508.43 × 5,539.29
  4. Step 4: Simplify right side
    9,788.23x = 74,827,111.21
  5. Step 5: Solve for x
    x = 74,827,111.21/9,788.23
  6. Step 6: Final answer
    x = 7,644.60

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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.