Home / 7,102.32-10,653.48-2,660.98

Finding the Fourth Proportional to 7,102.32, 10,653.48 and 2,660.98

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Solution

The fourth proportional to 7,102.32, 10,653.48 and 2,660.98 is: 3,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.32 : 10,653.48 = 2,660.98 : x
  2. Step 2: Convert to fraction form
    7,102.32/10,653.48 = 2,660.98/x
  3. Step 3: Cross multiply
    7,102.32x = 10,653.48 × 2,660.98
  4. Step 4: Simplify right side
    7,102.32x = 28,348,697.21
  5. Step 5: Solve for x
    x = 28,348,697.21/7,102.32
  6. Step 6: Final answer
    x = 3,991.47

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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.