Home / 4,117.08-5,682.37-3,120.61

Finding the Fourth Proportional to 4,117.08, 5,682.37 and 3,120.61

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Solution

The fourth proportional to 4,117.08, 5,682.37 and 3,120.61 is: 4,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.08 : 5,682.37 = 3,120.61 : x
  2. Step 2: Convert to fraction form
    4,117.08/5,682.37 = 3,120.61/x
  3. Step 3: Cross multiply
    4,117.08x = 5,682.37 × 3,120.61
  4. Step 4: Simplify right side
    4,117.08x = 17,732,460.65
  5. Step 5: Solve for x
    x = 17,732,460.65/4,117.08
  6. Step 6: Final answer
    x = 4,307.05

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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.