Home / 6,853.65-10,280.45-2,690.75

Finding the Fourth Proportional to 6,853.65, 10,280.45 and 2,690.75

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Solution

The fourth proportional to 6,853.65, 10,280.45 and 2,690.75 is: 4,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.65 : 10,280.45 = 2,690.75 : x
  2. Step 2: Convert to fraction form
    6,853.65/10,280.45 = 2,690.75/x
  3. Step 3: Cross multiply
    6,853.65x = 10,280.45 × 2,690.75
  4. Step 4: Simplify right side
    6,853.65x = 27,662,055.98
  5. Step 5: Solve for x
    x = 27,662,055.98/6,853.65
  6. Step 6: Final answer
    x = 4,036.11

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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.