Home / 4,678.22-7,017.26-1,393.54

Finding the Fourth Proportional to 4,678.22, 7,017.26 and 1,393.54

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Solution

The fourth proportional to 4,678.22, 7,017.26 and 1,393.54 is: 2,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.22 : 7,017.26 = 1,393.54 : x
  2. Step 2: Convert to fraction form
    4,678.22/7,017.26 = 1,393.54/x
  3. Step 3: Cross multiply
    4,678.22x = 7,017.26 × 1,393.54
  4. Step 4: Simplify right side
    4,678.22x = 9,778,832.50
  5. Step 5: Solve for x
    x = 9,778,832.50/4,678.22
  6. Step 6: Final answer
    x = 2,090.29

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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.