Home / 7,015.02-10,525.77-3,120.54

Finding the Fourth Proportional to 7,015.02, 10,525.77 and 3,120.54

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Solution

The fourth proportional to 7,015.02, 10,525.77 and 3,120.54 is: 4,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.02 : 10,525.77 = 3,120.54 : x
  2. Step 2: Convert to fraction form
    7,015.02/10,525.77 = 3,120.54/x
  3. Step 3: Cross multiply
    7,015.02x = 10,525.77 × 3,120.54
  4. Step 4: Simplify right side
    7,015.02x = 32,846,086.32
  5. Step 5: Solve for x
    x = 32,846,086.32/7,015.02
  6. Step 6: Final answer
    x = 4,682.25

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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.