Home / 7,021.40-10,532.05-1,756.38

Finding the Fourth Proportional to 7,021.40, 10,532.05 and 1,756.38

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Solution

The fourth proportional to 7,021.40, 10,532.05 and 1,756.38 is: 2,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.40 : 10,532.05 = 1,756.38 : x
  2. Step 2: Convert to fraction form
    7,021.40/10,532.05 = 1,756.38/x
  3. Step 3: Cross multiply
    7,021.40x = 10,532.05 × 1,756.38
  4. Step 4: Simplify right side
    7,021.40x = 18,498,281.98
  5. Step 5: Solve for x
    x = 18,498,281.98/7,021.40
  6. Step 6: Final answer
    x = 2,634.56

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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.