Home / 7,847.13-11,770.70-4,927.49

Finding the Fourth Proportional to 7,847.13, 11,770.70 and 4,927.49

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Solution

The fourth proportional to 7,847.13, 11,770.70 and 4,927.49 is: 7,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.13 : 11,770.70 = 4,927.49 : x
  2. Step 2: Convert to fraction form
    7,847.13/11,770.70 = 4,927.49/x
  3. Step 3: Cross multiply
    7,847.13x = 11,770.70 × 4,927.49
  4. Step 4: Simplify right side
    7,847.13x = 57,999,994.91
  5. Step 5: Solve for x
    x = 57,999,994.91/7,847.13
  6. Step 6: Final answer
    x = 7,391.23

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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.