Home / 4,810.60-6,639.60-3,132.28

Finding the Fourth Proportional to 4,810.60, 6,639.60 and 3,132.28

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Solution

The fourth proportional to 4,810.60, 6,639.60 and 3,132.28 is: 4,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.60 : 6,639.60 = 3,132.28 : x
  2. Step 2: Convert to fraction form
    4,810.60/6,639.60 = 3,132.28/x
  3. Step 3: Cross multiply
    4,810.60x = 6,639.60 × 3,132.28
  4. Step 4: Simplify right side
    4,810.60x = 20,797,086.29
  5. Step 5: Solve for x
    x = 20,797,086.29/4,810.60
  6. Step 6: Final answer
    x = 4,323.18

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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.