Home / 6,621.55-9,923.09-4,976.17

Finding the Fourth Proportional to 6,621.55, 9,923.09 and 4,976.17

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Solution

The fourth proportional to 6,621.55, 9,923.09 and 4,976.17 is: 7,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.55 : 9,923.09 = 4,976.17 : x
  2. Step 2: Convert to fraction form
    6,621.55/9,923.09 = 4,976.17/x
  3. Step 3: Cross multiply
    6,621.55x = 9,923.09 × 4,976.17
  4. Step 4: Simplify right side
    6,621.55x = 49,378,982.77
  5. Step 5: Solve for x
    x = 49,378,982.77/6,621.55
  6. Step 6: Final answer
    x = 7,457.31

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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.