Home / 4,802.40-6,629.52-2,812.68

Finding the Fourth Proportional to 4,802.40, 6,629.52 and 2,812.68

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Solution

The fourth proportional to 4,802.40, 6,629.52 and 2,812.68 is: 3,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.40 : 6,629.52 = 2,812.68 : x
  2. Step 2: Convert to fraction form
    4,802.40/6,629.52 = 2,812.68/x
  3. Step 3: Cross multiply
    4,802.40x = 6,629.52 × 2,812.68
  4. Step 4: Simplify right side
    4,802.40x = 18,646,718.31
  5. Step 5: Solve for x
    x = 18,646,718.31/4,802.40
  6. Step 6: Final answer
    x = 3,882.79

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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.