Home / 4,810.39-6,638.27-2,685.81

Finding the Fourth Proportional to 4,810.39, 6,638.27 and 2,685.81

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Solution

The fourth proportional to 4,810.39, 6,638.27 and 2,685.81 is: 3,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.39 : 6,638.27 = 2,685.81 : x
  2. Step 2: Convert to fraction form
    4,810.39/6,638.27 = 2,685.81/x
  3. Step 3: Cross multiply
    4,810.39x = 6,638.27 × 2,685.81
  4. Step 4: Simplify right side
    4,810.39x = 17,829,131.95
  5. Step 5: Solve for x
    x = 17,829,131.95/4,810.39
  6. Step 6: Final answer
    x = 3,706.38

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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.