Home / 4,886.24-6,742.64-2,790.08

Finding the Fourth Proportional to 4,886.24, 6,742.64 and 2,790.08

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Solution

The fourth proportional to 4,886.24, 6,742.64 and 2,790.08 is: 3,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.24 : 6,742.64 = 2,790.08 : x
  2. Step 2: Convert to fraction form
    4,886.24/6,742.64 = 2,790.08/x
  3. Step 3: Cross multiply
    4,886.24x = 6,742.64 × 2,790.08
  4. Step 4: Simplify right side
    4,886.24x = 18,812,505.01
  5. Step 5: Solve for x
    x = 18,812,505.01/4,886.24
  6. Step 6: Final answer
    x = 3,850.10

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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.