Home / 6,126.65-8,455.20-3,474.08

Finding the Fourth Proportional to 6,126.65, 8,455.20 and 3,474.08

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Solution

The fourth proportional to 6,126.65, 8,455.20 and 3,474.08 is: 4,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.65 : 8,455.20 = 3,474.08 : x
  2. Step 2: Convert to fraction form
    6,126.65/8,455.20 = 3,474.08/x
  3. Step 3: Cross multiply
    6,126.65x = 8,455.20 × 3,474.08
  4. Step 4: Simplify right side
    6,126.65x = 29,374,041.22
  5. Step 5: Solve for x
    x = 29,374,041.22/6,126.65
  6. Step 6: Final answer
    x = 4,794.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.