Home / 7,685.06-11,527.55-2,420.52

Finding the Fourth Proportional to 7,685.06, 11,527.55 and 2,420.52

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Solution

The fourth proportional to 7,685.06, 11,527.55 and 2,420.52 is: 3,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.06 : 11,527.55 = 2,420.52 : x
  2. Step 2: Convert to fraction form
    7,685.06/11,527.55 = 2,420.52/x
  3. Step 3: Cross multiply
    7,685.06x = 11,527.55 × 2,420.52
  4. Step 4: Simplify right side
    7,685.06x = 27,902,601.64
  5. Step 5: Solve for x
    x = 27,902,601.64/7,685.06
  6. Step 6: Final answer
    x = 3,630.76

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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.