Home / 4,812.02-6,640.53-2,822.19

Finding the Fourth Proportional to 4,812.02, 6,640.53 and 2,822.19

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Solution

The fourth proportional to 4,812.02, 6,640.53 and 2,822.19 is: 3,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.02 : 6,640.53 = 2,822.19 : x
  2. Step 2: Convert to fraction form
    4,812.02/6,640.53 = 2,822.19/x
  3. Step 3: Cross multiply
    4,812.02x = 6,640.53 × 2,822.19
  4. Step 4: Simplify right side
    4,812.02x = 18,740,855.10
  5. Step 5: Solve for x
    x = 18,740,855.10/4,812.02
  6. Step 6: Final answer
    x = 3,894.60

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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.