Home / 6,520.46-9,779.48-1,839.32

Finding the Fourth Proportional to 6,520.46, 9,779.48 and 1,839.32

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Solution

The fourth proportional to 6,520.46, 9,779.48 and 1,839.32 is: 2,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.46 : 9,779.48 = 1,839.32 : x
  2. Step 2: Convert to fraction form
    6,520.46/9,779.48 = 1,839.32/x
  3. Step 3: Cross multiply
    6,520.46x = 9,779.48 × 1,839.32
  4. Step 4: Simplify right side
    6,520.46x = 17,987,593.15
  5. Step 5: Solve for x
    x = 17,987,593.15/6,520.46
  6. Step 6: Final answer
    x = 2,758.64

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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.