Home / 4,971.05-6,860.18-3,083.57

Finding the Fourth Proportional to 4,971.05, 6,860.18 and 3,083.57

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Solution

The fourth proportional to 4,971.05, 6,860.18 and 3,083.57 is: 4,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.05 : 6,860.18 = 3,083.57 : x
  2. Step 2: Convert to fraction form
    4,971.05/6,860.18 = 3,083.57/x
  3. Step 3: Cross multiply
    4,971.05x = 6,860.18 × 3,083.57
  4. Step 4: Simplify right side
    4,971.05x = 21,153,818.65
  5. Step 5: Solve for x
    x = 21,153,818.65/4,971.05
  6. Step 6: Final answer
    x = 4,255.40

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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.