Home / 6,837.72-10,257.35-2,158.40

Finding the Fourth Proportional to 6,837.72, 10,257.35 and 2,158.40

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Solution

The fourth proportional to 6,837.72, 10,257.35 and 2,158.40 is: 3,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.72 : 10,257.35 = 2,158.40 : x
  2. Step 2: Convert to fraction form
    6,837.72/10,257.35 = 2,158.40/x
  3. Step 3: Cross multiply
    6,837.72x = 10,257.35 × 2,158.40
  4. Step 4: Simplify right side
    6,837.72x = 22,139,464.24
  5. Step 5: Solve for x
    x = 22,139,464.24/6,837.72
  6. Step 6: Final answer
    x = 3,237.84

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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.