Home / 4,812.60-6,642.90-2,823.96

Finding the Fourth Proportional to 4,812.60, 6,642.90 and 2,823.96

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Solution

The fourth proportional to 4,812.60, 6,642.90 and 2,823.96 is: 3,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.60 : 6,642.90 = 2,823.96 : x
  2. Step 2: Convert to fraction form
    4,812.60/6,642.90 = 2,823.96/x
  3. Step 3: Cross multiply
    4,812.60x = 6,642.90 × 2,823.96
  4. Step 4: Simplify right side
    4,812.60x = 18,759,283.88
  5. Step 5: Solve for x
    x = 18,759,283.88/4,812.60
  6. Step 6: Final answer
    x = 3,897.95

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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.