Home / 8,365.48-11,544.42-4,639.72

Finding the Fourth Proportional to 8,365.48, 11,544.42 and 4,639.72

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Solution

The fourth proportional to 8,365.48, 11,544.42 and 4,639.72 is: 6,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.48 : 11,544.42 = 4,639.72 : x
  2. Step 2: Convert to fraction form
    8,365.48/11,544.42 = 4,639.72/x
  3. Step 3: Cross multiply
    8,365.48x = 11,544.42 × 4,639.72
  4. Step 4: Simplify right side
    8,365.48x = 53,562,876.36
  5. Step 5: Solve for x
    x = 53,562,876.36/8,365.48
  6. Step 6: Final answer
    x = 6,402.85

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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.