Home / 7,621.09-11,410.07-4,840.86

Finding the Fourth Proportional to 7,621.09, 11,410.07 and 4,840.86

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Solution

The fourth proportional to 7,621.09, 11,410.07 and 4,840.86 is: 7,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.09 : 11,410.07 = 4,840.86 : x
  2. Step 2: Convert to fraction form
    7,621.09/11,410.07 = 4,840.86/x
  3. Step 3: Cross multiply
    7,621.09x = 11,410.07 × 4,840.86
  4. Step 4: Simplify right side
    7,621.09x = 55,234,570.04
  5. Step 5: Solve for x
    x = 55,234,570.04/7,621.09
  6. Step 6: Final answer
    x = 7,247.60

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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.