Home / 4,804.55-6,629.61-2,815.76

Finding the Fourth Proportional to 4,804.55, 6,629.61 and 2,815.76

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Solution

The fourth proportional to 4,804.55, 6,629.61 and 2,815.76 is: 3,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.55 : 6,629.61 = 2,815.76 : x
  2. Step 2: Convert to fraction form
    4,804.55/6,629.61 = 2,815.76/x
  3. Step 3: Cross multiply
    4,804.55x = 6,629.61 × 2,815.76
  4. Step 4: Simplify right side
    4,804.55x = 18,667,417.79
  5. Step 5: Solve for x
    x = 18,667,417.79/4,804.55
  6. Step 6: Final answer
    x = 3,885.36

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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.