Home / 7,020.04-10,530.03-2,859.12

Finding the Fourth Proportional to 7,020.04, 10,530.03 and 2,859.12

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Solution

The fourth proportional to 7,020.04, 10,530.03 and 2,859.12 is: 4,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.04 : 10,530.03 = 2,859.12 : x
  2. Step 2: Convert to fraction form
    7,020.04/10,530.03 = 2,859.12/x
  3. Step 3: Cross multiply
    7,020.04x = 10,530.03 × 2,859.12
  4. Step 4: Simplify right side
    7,020.04x = 30,106,619.37
  5. Step 5: Solve for x
    x = 30,106,619.37/7,020.04
  6. Step 6: Final answer
    x = 4,288.67

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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.