Home / 7,107.03-9,811.85-4,720.23

Finding the Fourth Proportional to 7,107.03, 9,811.85 and 4,720.23

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Solution

The fourth proportional to 7,107.03, 9,811.85 and 4,720.23 is: 6,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.03 : 9,811.85 = 4,720.23 : x
  2. Step 2: Convert to fraction form
    7,107.03/9,811.85 = 4,720.23/x
  3. Step 3: Cross multiply
    7,107.03x = 9,811.85 × 4,720.23
  4. Step 4: Simplify right side
    7,107.03x = 46,314,165.12
  5. Step 5: Solve for x
    x = 46,314,165.12/7,107.03
  6. Step 6: Final answer
    x = 6,516.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.