Home / 4,700.24-6,486.34-2,811.91

Finding the Fourth Proportional to 4,700.24, 6,486.34 and 2,811.91

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Solution

The fourth proportional to 4,700.24, 6,486.34 and 2,811.91 is: 3,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.24 : 6,486.34 = 2,811.91 : x
  2. Step 2: Convert to fraction form
    4,700.24/6,486.34 = 2,811.91/x
  3. Step 3: Cross multiply
    4,700.24x = 6,486.34 × 2,811.91
  4. Step 4: Simplify right side
    4,700.24x = 18,238,961.33
  5. Step 5: Solve for x
    x = 18,238,961.33/4,700.24
  6. Step 6: Final answer
    x = 3,880.43

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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.