Home / 7,412.54-11,118.82-3,030

Finding the Fourth Proportional to 7,412.54, 11,118.82 and 3,030

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Solution

The fourth proportional to 7,412.54, 11,118.82 and 3,030 is: 4,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.54 : 11,118.82 = 3,030 : x
  2. Step 2: Convert to fraction form
    7,412.54/11,118.82 = 3,030/x
  3. Step 3: Cross multiply
    7,412.54x = 11,118.82 × 3,030
  4. Step 4: Simplify right side
    7,412.54x = 33,690,024.60
  5. Step 5: Solve for x
    x = 33,690,024.60/7,412.54
  6. Step 6: Final answer
    x = 4,545.00

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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.