Home / 6,972.08-10,455.12-2,586.32

Finding the Fourth Proportional to 6,972.08, 10,455.12 and 2,586.32

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Solution

The fourth proportional to 6,972.08, 10,455.12 and 2,586.32 is: 3,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.08 : 10,455.12 = 2,586.32 : x
  2. Step 2: Convert to fraction form
    6,972.08/10,455.12 = 2,586.32/x
  3. Step 3: Cross multiply
    6,972.08x = 10,455.12 × 2,586.32
  4. Step 4: Simplify right side
    6,972.08x = 27,040,285.96
  5. Step 5: Solve for x
    x = 27,040,285.96/6,972.08
  6. Step 6: Final answer
    x = 3,878.37

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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.