Home / 4,811.10-6,639.24-2,715.18

Finding the Fourth Proportional to 4,811.10, 6,639.24 and 2,715.18

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Solution

The fourth proportional to 4,811.10, 6,639.24 and 2,715.18 is: 3,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.10 : 6,639.24 = 2,715.18 : x
  2. Step 2: Convert to fraction form
    4,811.10/6,639.24 = 2,715.18/x
  3. Step 3: Cross multiply
    4,811.10x = 6,639.24 × 2,715.18
  4. Step 4: Simplify right side
    4,811.10x = 18,026,731.66
  5. Step 5: Solve for x
    x = 18,026,731.66/4,811.10
  6. Step 6: Final answer
    x = 3,746.90

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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.