Home / 8,405.26-11,599.52-4,628.22

Finding the Fourth Proportional to 8,405.26, 11,599.52 and 4,628.22

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Solution

The fourth proportional to 8,405.26, 11,599.52 and 4,628.22 is: 6,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.26 : 11,599.52 = 4,628.22 : x
  2. Step 2: Convert to fraction form
    8,405.26/11,599.52 = 4,628.22/x
  3. Step 3: Cross multiply
    8,405.26x = 11,599.52 × 4,628.22
  4. Step 4: Simplify right side
    8,405.26x = 53,685,130.45
  5. Step 5: Solve for x
    x = 53,685,130.45/8,405.26
  6. Step 6: Final answer
    x = 6,387.09

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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.