Home / 6,624.12-9,938.70-4,156.20

Finding the Fourth Proportional to 6,624.12, 9,938.70 and 4,156.20

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Solution

The fourth proportional to 6,624.12, 9,938.70 and 4,156.20 is: 6,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.12 : 9,938.70 = 4,156.20 : x
  2. Step 2: Convert to fraction form
    6,624.12/9,938.70 = 4,156.20/x
  3. Step 3: Cross multiply
    6,624.12x = 9,938.70 × 4,156.20
  4. Step 4: Simplify right side
    6,624.12x = 41,307,224.94
  5. Step 5: Solve for x
    x = 41,307,224.94/6,624.12
  6. Step 6: Final answer
    x = 6,235.88

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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.