Home / 7,027.08-9,697.20-3,840.23

Finding the Fourth Proportional to 7,027.08, 9,697.20 and 3,840.23

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Solution

The fourth proportional to 7,027.08, 9,697.20 and 3,840.23 is: 5,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.08 : 9,697.20 = 3,840.23 : x
  2. Step 2: Convert to fraction form
    7,027.08/9,697.20 = 3,840.23/x
  3. Step 3: Cross multiply
    7,027.08x = 9,697.20 × 3,840.23
  4. Step 4: Simplify right side
    7,027.08x = 37,239,478.36
  5. Step 5: Solve for x
    x = 37,239,478.36/7,027.08
  6. Step 6: Final answer
    x = 5,299.42

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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.