Home / 7,273.36-10,037.80-4,129.68

Finding the Fourth Proportional to 7,273.36, 10,037.80 and 4,129.68

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Solution

The fourth proportional to 7,273.36, 10,037.80 and 4,129.68 is: 5,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.36 : 10,037.80 = 4,129.68 : x
  2. Step 2: Convert to fraction form
    7,273.36/10,037.80 = 4,129.68/x
  3. Step 3: Cross multiply
    7,273.36x = 10,037.80 × 4,129.68
  4. Step 4: Simplify right side
    7,273.36x = 41,452,901.90
  5. Step 5: Solve for x
    x = 41,452,901.90/7,273.36
  6. Step 6: Final answer
    x = 5,699.28

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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.