Home / 4,412.79-6,620-1,451.40

Finding the Fourth Proportional to 4,412.79, 6,620 and 1,451.40

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Solution

The fourth proportional to 4,412.79, 6,620 and 1,451.40 is: 2,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.79 : 6,620 = 1,451.40 : x
  2. Step 2: Convert to fraction form
    4,412.79/6,620 = 1,451.40/x
  3. Step 3: Cross multiply
    4,412.79x = 6,620 × 1,451.40
  4. Step 4: Simplify right side
    4,412.79x = 9,608,268
  5. Step 5: Solve for x
    x = 9,608,268/4,412.79
  6. Step 6: Final answer
    x = 2,177.37

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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.