Home / 4,971.81-6,861.33-3,084.42

Finding the Fourth Proportional to 4,971.81, 6,861.33 and 3,084.42

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Solution

The fourth proportional to 4,971.81, 6,861.33 and 3,084.42 is: 4,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.81 : 6,861.33 = 3,084.42 : x
  2. Step 2: Convert to fraction form
    4,971.81/6,861.33 = 3,084.42/x
  3. Step 3: Cross multiply
    4,971.81x = 6,861.33 × 3,084.42
  4. Step 4: Simplify right side
    4,971.81x = 21,163,223.48
  5. Step 5: Solve for x
    x = 21,163,223.48/4,971.81
  6. Step 6: Final answer
    x = 4,256.64

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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.