Home / 7,003.79-10,504.85-2,620.07

Finding the Fourth Proportional to 7,003.79, 10,504.85 and 2,620.07

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Solution

The fourth proportional to 7,003.79, 10,504.85 and 2,620.07 is: 3,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.79 : 10,504.85 = 2,620.07 : x
  2. Step 2: Convert to fraction form
    7,003.79/10,504.85 = 2,620.07/x
  3. Step 3: Cross multiply
    7,003.79x = 10,504.85 × 2,620.07
  4. Step 4: Simplify right side
    7,003.79x = 27,523,376.71
  5. Step 5: Solve for x
    x = 27,523,376.71/7,003.79
  6. Step 6: Final answer
    x = 3,929.79

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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.