Home / 7,630.77-11,448.90-4,705.68

Finding the Fourth Proportional to 7,630.77, 11,448.90 and 4,705.68

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Solution

The fourth proportional to 7,630.77, 11,448.90 and 4,705.68 is: 7,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.77 : 11,448.90 = 4,705.68 : x
  2. Step 2: Convert to fraction form
    7,630.77/11,448.90 = 4,705.68/x
  3. Step 3: Cross multiply
    7,630.77x = 11,448.90 × 4,705.68
  4. Step 4: Simplify right side
    7,630.77x = 53,874,859.75
  5. Step 5: Solve for x
    x = 53,874,859.75/7,630.77
  6. Step 6: Final answer
    x = 7,060.21

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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.