Home / 4,812.47-6,640.49-2,923.07

Finding the Fourth Proportional to 4,812.47, 6,640.49 and 2,923.07

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Solution

The fourth proportional to 4,812.47, 6,640.49 and 2,923.07 is: 4,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.47 : 6,640.49 = 2,923.07 : x
  2. Step 2: Convert to fraction form
    4,812.47/6,640.49 = 2,923.07/x
  3. Step 3: Cross multiply
    4,812.47x = 6,640.49 × 2,923.07
  4. Step 4: Simplify right side
    4,812.47x = 19,410,617.10
  5. Step 5: Solve for x
    x = 19,410,617.10/4,812.47
  6. Step 6: Final answer
    x = 4,033.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.