Home / 4,817.36-6,647.10-2,928.56

Finding the Fourth Proportional to 4,817.36, 6,647.10 and 2,928.56

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Solution

The fourth proportional to 4,817.36, 6,647.10 and 2,928.56 is: 4,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.36 : 6,647.10 = 2,928.56 : x
  2. Step 2: Convert to fraction form
    4,817.36/6,647.10 = 2,928.56/x
  3. Step 3: Cross multiply
    4,817.36x = 6,647.10 × 2,928.56
  4. Step 4: Simplify right side
    4,817.36x = 19,466,431.18
  5. Step 5: Solve for x
    x = 19,466,431.18/4,817.36
  6. Step 6: Final answer
    x = 4,040.89

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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.