Home / 5,415.72-7,477.56-3,650.46

Finding the Fourth Proportional to 5,415.72, 7,477.56 and 3,650.46

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Solution

The fourth proportional to 5,415.72, 7,477.56 and 3,650.46 is: 5,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.72 : 7,477.56 = 3,650.46 : x
  2. Step 2: Convert to fraction form
    5,415.72/7,477.56 = 3,650.46/x
  3. Step 3: Cross multiply
    5,415.72x = 7,477.56 × 3,650.46
  4. Step 4: Simplify right side
    5,415.72x = 27,296,533.68
  5. Step 5: Solve for x
    x = 27,296,533.68/5,415.72
  6. Step 6: Final answer
    x = 5,040.24

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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.