Home / 7,272.90-10,037.91-4,288.56

Finding the Fourth Proportional to 7,272.90, 10,037.91 and 4,288.56

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Solution

The fourth proportional to 7,272.90, 10,037.91 and 4,288.56 is: 5,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.90 : 10,037.91 = 4,288.56 : x
  2. Step 2: Convert to fraction form
    7,272.90/10,037.91 = 4,288.56/x
  3. Step 3: Cross multiply
    7,272.90x = 10,037.91 × 4,288.56
  4. Step 4: Simplify right side
    7,272.90x = 43,048,133.63
  5. Step 5: Solve for x
    x = 43,048,133.63/7,272.90
  6. Step 6: Final answer
    x = 5,918.98

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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.