Home / 7,628.30-11,442.44-5,012.32

Finding the Fourth Proportional to 7,628.30, 11,442.44 and 5,012.32

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Solution

The fourth proportional to 7,628.30, 11,442.44 and 5,012.32 is: 7,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.30 : 11,442.44 = 5,012.32 : x
  2. Step 2: Convert to fraction form
    7,628.30/11,442.44 = 5,012.32/x
  3. Step 3: Cross multiply
    7,628.30x = 11,442.44 × 5,012.32
  4. Step 4: Simplify right side
    7,628.30x = 57,353,170.86
  5. Step 5: Solve for x
    x = 57,353,170.86/7,628.30
  6. Step 6: Final answer
    x = 7,518.47

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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.