Home / 8,416.37-11,614.59-4,639.60

Finding the Fourth Proportional to 8,416.37, 11,614.59 and 4,639.60

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Solution

The fourth proportional to 8,416.37, 11,614.59 and 4,639.60 is: 6,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.37 : 11,614.59 = 4,639.60 : x
  2. Step 2: Convert to fraction form
    8,416.37/11,614.59 = 4,639.60/x
  3. Step 3: Cross multiply
    8,416.37x = 11,614.59 × 4,639.60
  4. Step 4: Simplify right side
    8,416.37x = 53,887,063.36
  5. Step 5: Solve for x
    x = 53,887,063.36/8,416.37
  6. Step 6: Final answer
    x = 6,402.65

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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.