Home / 4,811.24-6,640.10-2,715.88

Finding the Fourth Proportional to 4,811.24, 6,640.10 and 2,715.88

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Solution

The fourth proportional to 4,811.24, 6,640.10 and 2,715.88 is: 3,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.24 : 6,640.10 = 2,715.88 : x
  2. Step 2: Convert to fraction form
    4,811.24/6,640.10 = 2,715.88/x
  3. Step 3: Cross multiply
    4,811.24x = 6,640.10 × 2,715.88
  4. Step 4: Simplify right side
    4,811.24x = 18,033,714.79
  5. Step 5: Solve for x
    x = 18,033,714.79/4,811.24
  6. Step 6: Final answer
    x = 3,748.25

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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.