Home / 7,220.34-9,962.28-4,076.46

Finding the Fourth Proportional to 7,220.34, 9,962.28 and 4,076.46

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Solution

The fourth proportional to 7,220.34, 9,962.28 and 4,076.46 is: 5,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.34 : 9,962.28 = 4,076.46 : x
  2. Step 2: Convert to fraction form
    7,220.34/9,962.28 = 4,076.46/x
  3. Step 3: Cross multiply
    7,220.34x = 9,962.28 × 4,076.46
  4. Step 4: Simplify right side
    7,220.34x = 40,610,835.93
  5. Step 5: Solve for x
    x = 40,610,835.93/7,220.34
  6. Step 6: Final answer
    x = 5,624.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.