Home / 7,629.96-10,529.82-4,485

Finding the Fourth Proportional to 7,629.96, 10,529.82 and 4,485

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Solution

The fourth proportional to 7,629.96, 10,529.82 and 4,485 is: 6,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.96 : 10,529.82 = 4,485 : x
  2. Step 2: Convert to fraction form
    7,629.96/10,529.82 = 4,485/x
  3. Step 3: Cross multiply
    7,629.96x = 10,529.82 × 4,485
  4. Step 4: Simplify right side
    7,629.96x = 47,226,242.70
  5. Step 5: Solve for x
    x = 47,226,242.70/7,629.96
  6. Step 6: Final answer
    x = 6,189.58

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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.