Home / 7,708.37-11,562.62-1,864.98

Finding the Fourth Proportional to 7,708.37, 11,562.62 and 1,864.98

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Solution

The fourth proportional to 7,708.37, 11,562.62 and 1,864.98 is: 2,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.37 : 11,562.62 = 1,864.98 : x
  2. Step 2: Convert to fraction form
    7,708.37/11,562.62 = 1,864.98/x
  3. Step 3: Cross multiply
    7,708.37x = 11,562.62 × 1,864.98
  4. Step 4: Simplify right side
    7,708.37x = 21,564,045.72
  5. Step 5: Solve for x
    x = 21,564,045.72/7,708.37
  6. Step 6: Final answer
    x = 2,797.49

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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.