Home / 4,817.12-6,647.40-2,829.38

Finding the Fourth Proportional to 4,817.12, 6,647.40 and 2,829.38

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Solution

The fourth proportional to 4,817.12, 6,647.40 and 2,829.38 is: 3,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.12 : 6,647.40 = 2,829.38 : x
  2. Step 2: Convert to fraction form
    4,817.12/6,647.40 = 2,829.38/x
  3. Step 3: Cross multiply
    4,817.12x = 6,647.40 × 2,829.38
  4. Step 4: Simplify right side
    4,817.12x = 18,807,987.38
  5. Step 5: Solve for x
    x = 18,807,987.38/4,817.12
  6. Step 6: Final answer
    x = 3,904.41

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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.