Home / 7,447.12-10,277.09-4,090

Finding the Fourth Proportional to 7,447.12, 10,277.09 and 4,090

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Solution

The fourth proportional to 7,447.12, 10,277.09 and 4,090 is: 5,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.12 : 10,277.09 = 4,090 : x
  2. Step 2: Convert to fraction form
    7,447.12/10,277.09 = 4,090/x
  3. Step 3: Cross multiply
    7,447.12x = 10,277.09 × 4,090
  4. Step 4: Simplify right side
    7,447.12x = 42,033,308.33
  5. Step 5: Solve for x
    x = 42,033,308.33/7,447.12
  6. Step 6: Final answer
    x = 5,644.24

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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.