Home / 7,628.77-11,445.90-4,703.68

Finding the Fourth Proportional to 7,628.77, 11,445.90 and 4,703.68

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Solution

The fourth proportional to 7,628.77, 11,445.90 and 4,703.68 is: 7,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.77 : 11,445.90 = 4,703.68 : x
  2. Step 2: Convert to fraction form
    7,628.77/11,445.90 = 4,703.68/x
  3. Step 3: Cross multiply
    7,628.77x = 11,445.90 × 4,703.68
  4. Step 4: Simplify right side
    7,628.77x = 53,837,850.91
  5. Step 5: Solve for x
    x = 53,837,850.91/7,628.77
  6. Step 6: Final answer
    x = 7,057.21

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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.