Home / 7,790.10-11,697.30-4,509.60

Finding the Fourth Proportional to 7,790.10, 11,697.30 and 4,509.60

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Solution

The fourth proportional to 7,790.10, 11,697.30 and 4,509.60 is: 6,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.10 : 11,697.30 = 4,509.60 : x
  2. Step 2: Convert to fraction form
    7,790.10/11,697.30 = 4,509.60/x
  3. Step 3: Cross multiply
    7,790.10x = 11,697.30 × 4,509.60
  4. Step 4: Simplify right side
    7,790.10x = 52,750,144.08
  5. Step 5: Solve for x
    x = 52,750,144.08/7,790.10
  6. Step 6: Final answer
    x = 6,771.43

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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.