Home / 7,486.08-11,236.02-3,790.92

Finding the Fourth Proportional to 7,486.08, 11,236.02 and 3,790.92

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Solution

The fourth proportional to 7,486.08, 11,236.02 and 3,790.92 is: 5,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.08 : 11,236.02 = 3,790.92 : x
  2. Step 2: Convert to fraction form
    7,486.08/11,236.02 = 3,790.92/x
  3. Step 3: Cross multiply
    7,486.08x = 11,236.02 × 3,790.92
  4. Step 4: Simplify right side
    7,486.08x = 42,594,880.86
  5. Step 5: Solve for x
    x = 42,594,880.86/7,486.08
  6. Step 6: Final answer
    x = 5,689.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.