Home / 7,011.84-10,518.48-2,082.72

Finding the Fourth Proportional to 7,011.84, 10,518.48 and 2,082.72

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Solution

The fourth proportional to 7,011.84, 10,518.48 and 2,082.72 is: 3,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.84 : 10,518.48 = 2,082.72 : x
  2. Step 2: Convert to fraction form
    7,011.84/10,518.48 = 2,082.72/x
  3. Step 3: Cross multiply
    7,011.84x = 10,518.48 × 2,082.72
  4. Step 4: Simplify right side
    7,011.84x = 21,907,048.67
  5. Step 5: Solve for x
    x = 21,907,048.67/7,011.84
  6. Step 6: Final answer
    x = 3,124.29

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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.