Home / 7,935.18-11,903.37-2,670.21

Finding the Fourth Proportional to 7,935.18, 11,903.37 and 2,670.21

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Solution

The fourth proportional to 7,935.18, 11,903.37 and 2,670.21 is: 4,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.18 : 11,903.37 = 2,670.21 : x
  2. Step 2: Convert to fraction form
    7,935.18/11,903.37 = 2,670.21/x
  3. Step 3: Cross multiply
    7,935.18x = 11,903.37 × 2,670.21
  4. Step 4: Simplify right side
    7,935.18x = 31,784,497.61
  5. Step 5: Solve for x
    x = 31,784,497.61/7,935.18
  6. Step 6: Final answer
    x = 4,005.52

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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.