Home / 4,837.81-6,675.69-2,820.91

Finding the Fourth Proportional to 4,837.81, 6,675.69 and 2,820.91

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Solution

The fourth proportional to 4,837.81, 6,675.69 and 2,820.91 is: 3,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.81 : 6,675.69 = 2,820.91 : x
  2. Step 2: Convert to fraction form
    4,837.81/6,675.69 = 2,820.91/x
  3. Step 3: Cross multiply
    4,837.81x = 6,675.69 × 2,820.91
  4. Step 4: Simplify right side
    4,837.81x = 18,831,520.68
  5. Step 5: Solve for x
    x = 18,831,520.68/4,837.81
  6. Step 6: Final answer
    x = 3,892.57

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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.