Home / 7,020.96-10,532.58-2,638.77

Finding the Fourth Proportional to 7,020.96, 10,532.58 and 2,638.77

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Solution

The fourth proportional to 7,020.96, 10,532.58 and 2,638.77 is: 3,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.96 : 10,532.58 = 2,638.77 : x
  2. Step 2: Convert to fraction form
    7,020.96/10,532.58 = 2,638.77/x
  3. Step 3: Cross multiply
    7,020.96x = 10,532.58 × 2,638.77
  4. Step 4: Simplify right side
    7,020.96x = 27,793,056.13
  5. Step 5: Solve for x
    x = 27,793,056.13/7,020.96
  6. Step 6: Final answer
    x = 3,958.58

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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.