Home / 7,720.23-10,650.04-5,066.67

Finding the Fourth Proportional to 7,720.23, 10,650.04 and 5,066.67

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Solution

The fourth proportional to 7,720.23, 10,650.04 and 5,066.67 is: 6,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.23 : 10,650.04 = 5,066.67 : x
  2. Step 2: Convert to fraction form
    7,720.23/10,650.04 = 5,066.67/x
  3. Step 3: Cross multiply
    7,720.23x = 10,650.04 × 5,066.67
  4. Step 4: Simplify right side
    7,720.23x = 53,960,238.17
  5. Step 5: Solve for x
    x = 53,960,238.17/7,720.23
  6. Step 6: Final answer
    x = 6,989.46

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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.