Home / 7,014.15-10,509.46-4,930.43

Finding the Fourth Proportional to 7,014.15, 10,509.46 and 4,930.43

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Solution

The fourth proportional to 7,014.15, 10,509.46 and 4,930.43 is: 7,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.15 : 10,509.46 = 4,930.43 : x
  2. Step 2: Convert to fraction form
    7,014.15/10,509.46 = 4,930.43/x
  3. Step 3: Cross multiply
    7,014.15x = 10,509.46 × 4,930.43
  4. Step 4: Simplify right side
    7,014.15x = 51,816,091.99
  5. Step 5: Solve for x
    x = 51,816,091.99/7,014.15
  6. Step 6: Final answer
    x = 7,387.37

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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.