Home / 4,006.64-6,009.80-1,085.15

Finding the Fourth Proportional to 4,006.64, 6,009.80 and 1,085.15

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Solution

The fourth proportional to 4,006.64, 6,009.80 and 1,085.15 is: 1,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.64 : 6,009.80 = 1,085.15 : x
  2. Step 2: Convert to fraction form
    4,006.64/6,009.80 = 1,085.15/x
  3. Step 3: Cross multiply
    4,006.64x = 6,009.80 × 1,085.15
  4. Step 4: Simplify right side
    4,006.64x = 6,521,499.00
  5. Step 5: Solve for x
    x = 6,521,499.00/4,006.64
  6. Step 6: Final answer
    x = 1,627.67

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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.