Home / 6,005.06-8,989.12-5,119.32

Finding the Fourth Proportional to 6,005.06, 8,989.12 and 5,119.32

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Solution

The fourth proportional to 6,005.06, 8,989.12 and 5,119.32 is: 7,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.06 : 8,989.12 = 5,119.32 : x
  2. Step 2: Convert to fraction form
    6,005.06/8,989.12 = 5,119.32/x
  3. Step 3: Cross multiply
    6,005.06x = 8,989.12 × 5,119.32
  4. Step 4: Simplify right side
    6,005.06x = 46,018,181.80
  5. Step 5: Solve for x
    x = 46,018,181.80/6,005.06
  6. Step 6: Final answer
    x = 7,663.23

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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.