Home / 7,028.90-10,559.70-6,651

Finding the Fourth Proportional to 7,028.90, 10,559.70 and 6,651

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Solution

The fourth proportional to 7,028.90, 10,559.70 and 6,651 is: 9,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.90 : 10,559.70 = 6,651 : x
  2. Step 2: Convert to fraction form
    7,028.90/10,559.70 = 6,651/x
  3. Step 3: Cross multiply
    7,028.90x = 10,559.70 × 6,651
  4. Step 4: Simplify right side
    7,028.90x = 70,232,564.70
  5. Step 5: Solve for x
    x = 70,232,564.70/7,028.90
  6. Step 6: Final answer
    x = 9,991.97

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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.