Home / 6,376.32-9,570.15-3,090.56

Finding the Fourth Proportional to 6,376.32, 9,570.15 and 3,090.56

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Solution

The fourth proportional to 6,376.32, 9,570.15 and 3,090.56 is: 4,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.32 : 9,570.15 = 3,090.56 : x
  2. Step 2: Convert to fraction form
    6,376.32/9,570.15 = 3,090.56/x
  3. Step 3: Cross multiply
    6,376.32x = 9,570.15 × 3,090.56
  4. Step 4: Simplify right side
    6,376.32x = 29,577,074.93
  5. Step 5: Solve for x
    x = 29,577,074.93/6,376.32
  6. Step 6: Final answer
    x = 4,638.58

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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.