Home / 7,475.64-11,213.66-2,281.50

Finding the Fourth Proportional to 7,475.64, 11,213.66 and 2,281.50

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Solution

The fourth proportional to 7,475.64, 11,213.66 and 2,281.50 is: 3,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.64 : 11,213.66 = 2,281.50 : x
  2. Step 2: Convert to fraction form
    7,475.64/11,213.66 = 2,281.50/x
  3. Step 3: Cross multiply
    7,475.64x = 11,213.66 × 2,281.50
  4. Step 4: Simplify right side
    7,475.64x = 25,583,953.88
  5. Step 5: Solve for x
    x = 25,583,953.88/7,475.64
  6. Step 6: Final answer
    x = 3,422.31

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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.