Home / 5,185.06-7,777.98-1,487.26

Finding the Fourth Proportional to 5,185.06, 7,777.98 and 1,487.26

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Solution

The fourth proportional to 5,185.06, 7,777.98 and 1,487.26 is: 2,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.06 : 7,777.98 = 1,487.26 : x
  2. Step 2: Convert to fraction form
    5,185.06/7,777.98 = 1,487.26/x
  3. Step 3: Cross multiply
    5,185.06x = 7,777.98 × 1,487.26
  4. Step 4: Simplify right side
    5,185.06x = 11,567,878.53
  5. Step 5: Solve for x
    x = 11,567,878.53/5,185.06
  6. Step 6: Final answer
    x = 2,231.00

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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.