Home / 7,681.48-11,515.34-2,998.34

Finding the Fourth Proportional to 7,681.48, 11,515.34 and 2,998.34

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Solution

The fourth proportional to 7,681.48, 11,515.34 and 2,998.34 is: 4,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.48 : 11,515.34 = 2,998.34 : x
  2. Step 2: Convert to fraction form
    7,681.48/11,515.34 = 2,998.34/x
  3. Step 3: Cross multiply
    7,681.48x = 11,515.34 × 2,998.34
  4. Step 4: Simplify right side
    7,681.48x = 34,526,904.54
  5. Step 5: Solve for x
    x = 34,526,904.54/7,681.48
  6. Step 6: Final answer
    x = 4,494.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.