Home / 10,078.07-13,907.43-5,829.03

Finding the Fourth Proportional to 10,078.07, 13,907.43 and 5,829.03

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Solution

The fourth proportional to 10,078.07, 13,907.43 and 5,829.03 is: 8,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.07 : 13,907.43 = 5,829.03 : x
  2. Step 2: Convert to fraction form
    10,078.07/13,907.43 = 5,829.03/x
  3. Step 3: Cross multiply
    10,078.07x = 13,907.43 × 5,829.03
  4. Step 4: Simplify right side
    10,078.07x = 81,066,826.69
  5. Step 5: Solve for x
    x = 81,066,826.69/10,078.07
  6. Step 6: Final answer
    x = 8,043.89

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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.