Home / 4,980.96-6,868.04-3,186.05

Finding the Fourth Proportional to 4,980.96, 6,868.04 and 3,186.05

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Solution

The fourth proportional to 4,980.96, 6,868.04 and 3,186.05 is: 4,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.96 : 6,868.04 = 3,186.05 : x
  2. Step 2: Convert to fraction form
    4,980.96/6,868.04 = 3,186.05/x
  3. Step 3: Cross multiply
    4,980.96x = 6,868.04 × 3,186.05
  4. Step 4: Simplify right side
    4,980.96x = 21,881,868.57
  5. Step 5: Solve for x
    x = 21,881,868.57/4,980.96
  6. Step 6: Final answer
    x = 4,393.10

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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.