Home / 4,821.36-6,653.52-2,831.52

Finding the Fourth Proportional to 4,821.36, 6,653.52 and 2,831.52

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Solution

The fourth proportional to 4,821.36, 6,653.52 and 2,831.52 is: 3,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.36 : 6,653.52 = 2,831.52 : x
  2. Step 2: Convert to fraction form
    4,821.36/6,653.52 = 2,831.52/x
  3. Step 3: Cross multiply
    4,821.36x = 6,653.52 × 2,831.52
  4. Step 4: Simplify right side
    4,821.36x = 18,839,574.95
  5. Step 5: Solve for x
    x = 18,839,574.95/4,821.36
  6. Step 6: Final answer
    x = 3,907.52

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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.