Home / 5,727.06-7,918.02-4,405.14

Finding the Fourth Proportional to 5,727.06, 7,918.02 and 4,405.14

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Solution

The fourth proportional to 5,727.06, 7,918.02 and 4,405.14 is: 6,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.06 : 7,918.02 = 4,405.14 : x
  2. Step 2: Convert to fraction form
    5,727.06/7,918.02 = 4,405.14/x
  3. Step 3: Cross multiply
    5,727.06x = 7,918.02 × 4,405.14
  4. Step 4: Simplify right side
    5,727.06x = 34,879,986.62
  5. Step 5: Solve for x
    x = 34,879,986.62/5,727.06
  6. Step 6: Final answer
    x = 6,090.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.