Home / 9,280.98-13,918.73-2,705.40

Finding the Fourth Proportional to 9,280.98, 13,918.73 and 2,705.40

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Solution

The fourth proportional to 9,280.98, 13,918.73 and 2,705.40 is: 4,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.98 : 13,918.73 = 2,705.40 : x
  2. Step 2: Convert to fraction form
    9,280.98/13,918.73 = 2,705.40/x
  3. Step 3: Cross multiply
    9,280.98x = 13,918.73 × 2,705.40
  4. Step 4: Simplify right side
    9,280.98x = 37,655,718.62
  5. Step 5: Solve for x
    x = 37,655,718.62/9,280.98
  6. Step 6: Final answer
    x = 4,057.30

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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.