Home / 6,527.55-9,792.80-2,145.04

Finding the Fourth Proportional to 6,527.55, 9,792.80 and 2,145.04

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Solution

The fourth proportional to 6,527.55, 9,792.80 and 2,145.04 is: 3,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.55 : 9,792.80 = 2,145.04 : x
  2. Step 2: Convert to fraction form
    6,527.55/9,792.80 = 2,145.04/x
  3. Step 3: Cross multiply
    6,527.55x = 9,792.80 × 2,145.04
  4. Step 4: Simplify right side
    6,527.55x = 21,005,983.68
  5. Step 5: Solve for x
    x = 21,005,983.68/6,527.55
  6. Step 6: Final answer
    x = 3,218.05

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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.