Home / 4,285.63-6,421.83-2,893.51

Finding the Fourth Proportional to 4,285.63, 6,421.83 and 2,893.51

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Solution

The fourth proportional to 4,285.63, 6,421.83 and 2,893.51 is: 4,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.63 : 6,421.83 = 2,893.51 : x
  2. Step 2: Convert to fraction form
    4,285.63/6,421.83 = 2,893.51/x
  3. Step 3: Cross multiply
    4,285.63x = 6,421.83 × 2,893.51
  4. Step 4: Simplify right side
    4,285.63x = 18,581,629.32
  5. Step 5: Solve for x
    x = 18,581,629.32/4,285.63
  6. Step 6: Final answer
    x = 4,335.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.