Home / 6,779.64-10,170.44-2,100.06

Finding the Fourth Proportional to 6,779.64, 10,170.44 and 2,100.06

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Solution

The fourth proportional to 6,779.64, 10,170.44 and 2,100.06 is: 3,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.64 : 10,170.44 = 2,100.06 : x
  2. Step 2: Convert to fraction form
    6,779.64/10,170.44 = 2,100.06/x
  3. Step 3: Cross multiply
    6,779.64x = 10,170.44 × 2,100.06
  4. Step 4: Simplify right side
    6,779.64x = 21,358,564.90
  5. Step 5: Solve for x
    x = 21,358,564.90/6,779.64
  6. Step 6: Final answer
    x = 3,150.40

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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.