Home / 4,810.12-6,639.73-2,822.34

Finding the Fourth Proportional to 4,810.12, 6,639.73 and 2,822.34

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Solution

The fourth proportional to 4,810.12, 6,639.73 and 2,822.34 is: 3,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.12 : 6,639.73 = 2,822.34 : x
  2. Step 2: Convert to fraction form
    4,810.12/6,639.73 = 2,822.34/x
  3. Step 3: Cross multiply
    4,810.12x = 6,639.73 × 2,822.34
  4. Step 4: Simplify right side
    4,810.12x = 18,739,568.51
  5. Step 5: Solve for x
    x = 18,739,568.51/4,810.12
  6. Step 6: Final answer
    x = 3,895.87

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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.