Home / 7,662.21-10,575.86-4,520.49

Finding the Fourth Proportional to 7,662.21, 10,575.86 and 4,520.49

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Solution

The fourth proportional to 7,662.21, 10,575.86 and 4,520.49 is: 6,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.21 : 10,575.86 = 4,520.49 : x
  2. Step 2: Convert to fraction form
    7,662.21/10,575.86 = 4,520.49/x
  3. Step 3: Cross multiply
    7,662.21x = 10,575.86 × 4,520.49
  4. Step 4: Simplify right side
    7,662.21x = 47,808,069.37
  5. Step 5: Solve for x
    x = 47,808,069.37/7,662.21
  6. Step 6: Final answer
    x = 6,239.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.