Home / 9,629.52-13,289.10-5,437.80

Finding the Fourth Proportional to 9,629.52, 13,289.10 and 5,437.80

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Solution

The fourth proportional to 9,629.52, 13,289.10 and 5,437.80 is: 7,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.52 : 13,289.10 = 5,437.80 : x
  2. Step 2: Convert to fraction form
    9,629.52/13,289.10 = 5,437.80/x
  3. Step 3: Cross multiply
    9,629.52x = 13,289.10 × 5,437.80
  4. Step 4: Simplify right side
    9,629.52x = 72,263,467.98
  5. Step 5: Solve for x
    x = 72,263,467.98/9,629.52
  6. Step 6: Final answer
    x = 7,504.37

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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.