Home / 4,802.88-6,628.80-2,707.20

Finding the Fourth Proportional to 4,802.88, 6,628.80 and 2,707.20

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Solution

The fourth proportional to 4,802.88, 6,628.80 and 2,707.20 is: 3,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.88 : 6,628.80 = 2,707.20 : x
  2. Step 2: Convert to fraction form
    4,802.88/6,628.80 = 2,707.20/x
  3. Step 3: Cross multiply
    4,802.88x = 6,628.80 × 2,707.20
  4. Step 4: Simplify right side
    4,802.88x = 17,945,487.36
  5. Step 5: Solve for x
    x = 17,945,487.36/4,802.88
  6. Step 6: Final answer
    x = 3,736.40

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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.