Home / 7,431.04-11,139.07-4,659.67

Finding the Fourth Proportional to 7,431.04, 11,139.07 and 4,659.67

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Solution

The fourth proportional to 7,431.04, 11,139.07 and 4,659.67 is: 6,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.04 : 11,139.07 = 4,659.67 : x
  2. Step 2: Convert to fraction form
    7,431.04/11,139.07 = 4,659.67/x
  3. Step 3: Cross multiply
    7,431.04x = 11,139.07 × 4,659.67
  4. Step 4: Simplify right side
    7,431.04x = 51,904,390.31
  5. Step 5: Solve for x
    x = 51,904,390.31/7,431.04
  6. Step 6: Final answer
    x = 6,984.81

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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.