Home / 7,805.02-11,705.52-2,257.30

Finding the Fourth Proportional to 7,805.02, 11,705.52 and 2,257.30

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Solution

The fourth proportional to 7,805.02, 11,705.52 and 2,257.30 is: 3,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.02 : 11,705.52 = 2,257.30 : x
  2. Step 2: Convert to fraction form
    7,805.02/11,705.52 = 2,257.30/x
  3. Step 3: Cross multiply
    7,805.02x = 11,705.52 × 2,257.30
  4. Step 4: Simplify right side
    7,805.02x = 26,422,870.30
  5. Step 5: Solve for x
    x = 26,422,870.30/7,805.02
  6. Step 6: Final answer
    x = 3,385.37

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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.