Home / 7,829.34-10,805.85-4,687.35

Finding the Fourth Proportional to 7,829.34, 10,805.85 and 4,687.35

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Solution

The fourth proportional to 7,829.34, 10,805.85 and 4,687.35 is: 6,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.34 : 10,805.85 = 4,687.35 : x
  2. Step 2: Convert to fraction form
    7,829.34/10,805.85 = 4,687.35/x
  3. Step 3: Cross multiply
    7,829.34x = 10,805.85 × 4,687.35
  4. Step 4: Simplify right side
    7,829.34x = 50,650,801.00
  5. Step 5: Solve for x
    x = 50,650,801.00/7,829.34
  6. Step 6: Final answer
    x = 6,469.36

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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.