Home / 4,825.28-6,657.36-2,835.20

Finding the Fourth Proportional to 4,825.28, 6,657.36 and 2,835.20

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Solution

The fourth proportional to 4,825.28, 6,657.36 and 2,835.20 is: 3,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.28 : 6,657.36 = 2,835.20 : x
  2. Step 2: Convert to fraction form
    4,825.28/6,657.36 = 2,835.20/x
  3. Step 3: Cross multiply
    4,825.28x = 6,657.36 × 2,835.20
  4. Step 4: Simplify right side
    4,825.28x = 18,874,947.07
  5. Step 5: Solve for x
    x = 18,874,947.07/4,825.28
  6. Step 6: Final answer
    x = 3,911.68

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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.