Home / 6,621.49-9,923.01-4,976.12

Finding the Fourth Proportional to 6,621.49, 9,923.01 and 4,976.12

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Solution

The fourth proportional to 6,621.49, 9,923.01 and 4,976.12 is: 7,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.49 : 9,923.01 = 4,976.12 : x
  2. Step 2: Convert to fraction form
    6,621.49/9,923.01 = 4,976.12/x
  3. Step 3: Cross multiply
    6,621.49x = 9,923.01 × 4,976.12
  4. Step 4: Simplify right side
    6,621.49x = 49,378,038.91
  5. Step 5: Solve for x
    x = 49,378,038.91/6,621.49
  6. Step 6: Final answer
    x = 7,457.24

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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.