Home / 7,458.80-10,293.09-4,272.80

Finding the Fourth Proportional to 7,458.80, 10,293.09 and 4,272.80

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Solution

The fourth proportional to 7,458.80, 10,293.09 and 4,272.80 is: 5,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.80 : 10,293.09 = 4,272.80 : x
  2. Step 2: Convert to fraction form
    7,458.80/10,293.09 = 4,272.80/x
  3. Step 3: Cross multiply
    7,458.80x = 10,293.09 × 4,272.80
  4. Step 4: Simplify right side
    7,458.80x = 43,980,314.95
  5. Step 5: Solve for x
    x = 43,980,314.95/7,458.80
  6. Step 6: Final answer
    x = 5,896.43

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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.