Home / 7,021.54-10,532.28-2,860.62

Finding the Fourth Proportional to 7,021.54, 10,532.28 and 2,860.62

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Solution

The fourth proportional to 7,021.54, 10,532.28 and 2,860.62 is: 4,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.54 : 10,532.28 = 2,860.62 : x
  2. Step 2: Convert to fraction form
    7,021.54/10,532.28 = 2,860.62/x
  3. Step 3: Cross multiply
    7,021.54x = 10,532.28 × 2,860.62
  4. Step 4: Simplify right side
    7,021.54x = 30,128,850.81
  5. Step 5: Solve for x
    x = 30,128,850.81/7,021.54
  6. Step 6: Final answer
    x = 4,290.92

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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.