Home / 6,621.93-9,923.64-4,977.44

Finding the Fourth Proportional to 6,621.93, 9,923.64 and 4,977.44

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Solution

The fourth proportional to 6,621.93, 9,923.64 and 4,977.44 is: 7,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.93 : 9,923.64 = 4,977.44 : x
  2. Step 2: Convert to fraction form
    6,621.93/9,923.64 = 4,977.44/x
  3. Step 3: Cross multiply
    6,621.93x = 9,923.64 × 4,977.44
  4. Step 4: Simplify right side
    6,621.93x = 49,394,273.06
  5. Step 5: Solve for x
    x = 49,394,273.06/6,621.93
  6. Step 6: Final answer
    x = 7,459.20

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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.