Home / 6,412.30-9,620.72-2,903.06

Finding the Fourth Proportional to 6,412.30, 9,620.72 and 2,903.06

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Solution

The fourth proportional to 6,412.30, 9,620.72 and 2,903.06 is: 4,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.30 : 9,620.72 = 2,903.06 : x
  2. Step 2: Convert to fraction form
    6,412.30/9,620.72 = 2,903.06/x
  3. Step 3: Cross multiply
    6,412.30x = 9,620.72 × 2,903.06
  4. Step 4: Simplify right side
    6,412.30x = 27,929,527.40
  5. Step 5: Solve for x
    x = 27,929,527.40/6,412.30
  6. Step 6: Final answer
    x = 4,355.62

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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.