Home / 7,089.58-10,626.96-2,645.46

Finding the Fourth Proportional to 7,089.58, 10,626.96 and 2,645.46

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Solution

The fourth proportional to 7,089.58, 10,626.96 and 2,645.46 is: 3,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.58 : 10,626.96 = 2,645.46 : x
  2. Step 2: Convert to fraction form
    7,089.58/10,626.96 = 2,645.46/x
  3. Step 3: Cross multiply
    7,089.58x = 10,626.96 × 2,645.46
  4. Step 4: Simplify right side
    7,089.58x = 28,113,197.60
  5. Step 5: Solve for x
    x = 28,113,197.60/7,089.58
  6. Step 6: Final answer
    x = 3,965.42

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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.