Home / 7,910.50-11,868.16-4,751.46

Finding the Fourth Proportional to 7,910.50, 11,868.16 and 4,751.46

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Solution

The fourth proportional to 7,910.50, 11,868.16 and 4,751.46 is: 7,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.50 : 11,868.16 = 4,751.46 : x
  2. Step 2: Convert to fraction form
    7,910.50/11,868.16 = 4,751.46/x
  3. Step 3: Cross multiply
    7,910.50x = 11,868.16 × 4,751.46
  4. Step 4: Simplify right side
    7,910.50x = 56,391,087.51
  5. Step 5: Solve for x
    x = 56,391,087.51/7,910.50
  6. Step 6: Final answer
    x = 7,128.64

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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.