Home / 7,621.02-11,435.45-5,771.52

Finding the Fourth Proportional to 7,621.02, 11,435.45 and 5,771.52

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Solution

The fourth proportional to 7,621.02, 11,435.45 and 5,771.52 is: 8,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.02 : 11,435.45 = 5,771.52 : x
  2. Step 2: Convert to fraction form
    7,621.02/11,435.45 = 5,771.52/x
  3. Step 3: Cross multiply
    7,621.02x = 11,435.45 × 5,771.52
  4. Step 4: Simplify right side
    7,621.02x = 65,999,899.53
  5. Step 5: Solve for x
    x = 65,999,899.53/7,621.02
  6. Step 6: Final answer
    x = 8,660.24

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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.