Home / 7,750.46-11,630.58-2,820.44

Finding the Fourth Proportional to 7,750.46, 11,630.58 and 2,820.44

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Solution

The fourth proportional to 7,750.46, 11,630.58 and 2,820.44 is: 4,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.46 : 11,630.58 = 2,820.44 : x
  2. Step 2: Convert to fraction form
    7,750.46/11,630.58 = 2,820.44/x
  3. Step 3: Cross multiply
    7,750.46x = 11,630.58 × 2,820.44
  4. Step 4: Simplify right side
    7,750.46x = 32,803,353.06
  5. Step 5: Solve for x
    x = 32,803,353.06/7,750.46
  6. Step 6: Final answer
    x = 4,232.44

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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.