Home / 6,445.19-9,650.45-4,092.45

Finding the Fourth Proportional to 6,445.19, 9,650.45 and 4,092.45

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Solution

The fourth proportional to 6,445.19, 9,650.45 and 4,092.45 is: 6,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.19 : 9,650.45 = 4,092.45 : x
  2. Step 2: Convert to fraction form
    6,445.19/9,650.45 = 4,092.45/x
  3. Step 3: Cross multiply
    6,445.19x = 9,650.45 × 4,092.45
  4. Step 4: Simplify right side
    6,445.19x = 39,493,963.64
  5. Step 5: Solve for x
    x = 39,493,963.64/6,445.19
  6. Step 6: Final answer
    x = 6,127.67

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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.