Home / 4,513.04-6,763.20-2,138.60

Finding the Fourth Proportional to 4,513.04, 6,763.20 and 2,138.60

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Solution

The fourth proportional to 4,513.04, 6,763.20 and 2,138.60 is: 3,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.04 : 6,763.20 = 2,138.60 : x
  2. Step 2: Convert to fraction form
    4,513.04/6,763.20 = 2,138.60/x
  3. Step 3: Cross multiply
    4,513.04x = 6,763.20 × 2,138.60
  4. Step 4: Simplify right side
    4,513.04x = 14,463,779.52
  5. Step 5: Solve for x
    x = 14,463,779.52/4,513.04
  6. Step 6: Final answer
    x = 3,204.89

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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.