Home / 6,440.95-9,665.07-2,742.79

Finding the Fourth Proportional to 6,440.95, 9,665.07 and 2,742.79

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Solution

The fourth proportional to 6,440.95, 9,665.07 and 2,742.79 is: 4,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.95 : 9,665.07 = 2,742.79 : x
  2. Step 2: Convert to fraction form
    6,440.95/9,665.07 = 2,742.79/x
  3. Step 3: Cross multiply
    6,440.95x = 9,665.07 × 2,742.79
  4. Step 4: Simplify right side
    6,440.95x = 26,509,256.45
  5. Step 5: Solve for x
    x = 26,509,256.45/6,440.95
  6. Step 6: Final answer
    x = 4,115.74

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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.