Home / 4,609.60-6,362.42-2,621.40

Finding the Fourth Proportional to 4,609.60, 6,362.42 and 2,621.40

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Solution

The fourth proportional to 4,609.60, 6,362.42 and 2,621.40 is: 3,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.60 : 6,362.42 = 2,621.40 : x
  2. Step 2: Convert to fraction form
    4,609.60/6,362.42 = 2,621.40/x
  3. Step 3: Cross multiply
    4,609.60x = 6,362.42 × 2,621.40
  4. Step 4: Simplify right side
    4,609.60x = 16,678,447.79
  5. Step 5: Solve for x
    x = 16,678,447.79/4,609.60
  6. Step 6: Final answer
    x = 3,618.20

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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.