Home / 4,701.08-6,486.18-3,131.48

Finding the Fourth Proportional to 4,701.08, 6,486.18 and 3,131.48

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Solution

The fourth proportional to 4,701.08, 6,486.18 and 3,131.48 is: 4,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.08 : 6,486.18 = 3,131.48 : x
  2. Step 2: Convert to fraction form
    4,701.08/6,486.18 = 3,131.48/x
  3. Step 3: Cross multiply
    4,701.08x = 6,486.18 × 3,131.48
  4. Step 4: Simplify right side
    4,701.08x = 20,311,342.95
  5. Step 5: Solve for x
    x = 20,311,342.95/4,701.08
  6. Step 6: Final answer
    x = 4,320.57

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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.