Home / 4,158.09-6,238.76-1,968.66

Finding the Fourth Proportional to 4,158.09, 6,238.76 and 1,968.66

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Solution

The fourth proportional to 4,158.09, 6,238.76 and 1,968.66 is: 2,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.09 : 6,238.76 = 1,968.66 : x
  2. Step 2: Convert to fraction form
    4,158.09/6,238.76 = 1,968.66/x
  3. Step 3: Cross multiply
    4,158.09x = 6,238.76 × 1,968.66
  4. Step 4: Simplify right side
    4,158.09x = 12,281,987.42
  5. Step 5: Solve for x
    x = 12,281,987.42/4,158.09
  6. Step 6: Final answer
    x = 2,953.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.