Home / 7,012.32-10,518.48-2,082.06

Finding the Fourth Proportional to 7,012.32, 10,518.48 and 2,082.06

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Solution

The fourth proportional to 7,012.32, 10,518.48 and 2,082.06 is: 3,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.32 : 10,518.48 = 2,082.06 : x
  2. Step 2: Convert to fraction form
    7,012.32/10,518.48 = 2,082.06/x
  3. Step 3: Cross multiply
    7,012.32x = 10,518.48 × 2,082.06
  4. Step 4: Simplify right side
    7,012.32x = 21,900,106.47
  5. Step 5: Solve for x
    x = 21,900,106.47/7,012.32
  6. Step 6: Final answer
    x = 3,123.09

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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.