Home / 4,788.28-6,608.61-2,798.45

Finding the Fourth Proportional to 4,788.28, 6,608.61 and 2,798.45

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Solution

The fourth proportional to 4,788.28, 6,608.61 and 2,798.45 is: 3,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.28 : 6,608.61 = 2,798.45 : x
  2. Step 2: Convert to fraction form
    4,788.28/6,608.61 = 2,798.45/x
  3. Step 3: Cross multiply
    4,788.28x = 6,608.61 × 2,798.45
  4. Step 4: Simplify right side
    4,788.28x = 18,493,831.61
  5. Step 5: Solve for x
    x = 18,493,831.61/4,788.28
  6. Step 6: Final answer
    x = 3,862.32

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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.