Home / 7,280.12-10,908.66-4,354.76

Finding the Fourth Proportional to 7,280.12, 10,908.66 and 4,354.76

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Solution

The fourth proportional to 7,280.12, 10,908.66 and 4,354.76 is: 6,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.12 : 10,908.66 = 4,354.76 : x
  2. Step 2: Convert to fraction form
    7,280.12/10,908.66 = 4,354.76/x
  3. Step 3: Cross multiply
    7,280.12x = 10,908.66 × 4,354.76
  4. Step 4: Simplify right side
    7,280.12x = 47,504,596.22
  5. Step 5: Solve for x
    x = 47,504,596.22/7,280.12
  6. Step 6: Final answer
    x = 6,525.25

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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.