Home / 7,829.01-10,800.72-4,839.66

Finding the Fourth Proportional to 7,829.01, 10,800.72 and 4,839.66

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Solution

The fourth proportional to 7,829.01, 10,800.72 and 4,839.66 is: 6,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.01 : 10,800.72 = 4,839.66 : x
  2. Step 2: Convert to fraction form
    7,829.01/10,800.72 = 4,839.66/x
  3. Step 3: Cross multiply
    7,829.01x = 10,800.72 × 4,839.66
  4. Step 4: Simplify right side
    7,829.01x = 52,271,812.56
  5. Step 5: Solve for x
    x = 52,271,812.56/7,829.01
  6. Step 6: Final answer
    x = 6,676.68

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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.