Home / 7,002.99-10,506.30-2,620.79

Finding the Fourth Proportional to 7,002.99, 10,506.30 and 2,620.79

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Solution

The fourth proportional to 7,002.99, 10,506.30 and 2,620.79 is: 3,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.99 : 10,506.30 = 2,620.79 : x
  2. Step 2: Convert to fraction form
    7,002.99/10,506.30 = 2,620.79/x
  3. Step 3: Cross multiply
    7,002.99x = 10,506.30 × 2,620.79
  4. Step 4: Simplify right side
    7,002.99x = 27,534,805.98
  5. Step 5: Solve for x
    x = 27,534,805.98/7,002.99
  6. Step 6: Final answer
    x = 3,931.87

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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.