Home / 9,811.22-13,539.69-5,335.29

Finding the Fourth Proportional to 9,811.22, 13,539.69 and 5,335.29

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Solution

The fourth proportional to 9,811.22, 13,539.69 and 5,335.29 is: 7,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.22 : 13,539.69 = 5,335.29 : x
  2. Step 2: Convert to fraction form
    9,811.22/13,539.69 = 5,335.29/x
  3. Step 3: Cross multiply
    9,811.22x = 13,539.69 × 5,335.29
  4. Step 4: Simplify right side
    9,811.22x = 72,238,172.66
  5. Step 5: Solve for x
    x = 72,238,172.66/9,811.22
  6. Step 6: Final answer
    x = 7,362.82

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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.