Home / 5,004.80-6,905.76-2,908.16

Finding the Fourth Proportional to 5,004.80, 6,905.76 and 2,908.16

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Solution

The fourth proportional to 5,004.80, 6,905.76 and 2,908.16 is: 4,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.80 : 6,905.76 = 2,908.16 : x
  2. Step 2: Convert to fraction form
    5,004.80/6,905.76 = 2,908.16/x
  3. Step 3: Cross multiply
    5,004.80x = 6,905.76 × 2,908.16
  4. Step 4: Simplify right side
    5,004.80x = 20,083,055.00
  5. Step 5: Solve for x
    x = 20,083,055.00/5,004.80
  6. Step 6: Final answer
    x = 4,012.76

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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.