Home / 7,852.98-11,795.87-6,622.81

Finding the Fourth Proportional to 7,852.98, 11,795.87 and 6,622.81

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Solution

The fourth proportional to 7,852.98, 11,795.87 and 6,622.81 is: 9,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.98 : 11,795.87 = 6,622.81 : x
  2. Step 2: Convert to fraction form
    7,852.98/11,795.87 = 6,622.81/x
  3. Step 3: Cross multiply
    7,852.98x = 11,795.87 × 6,622.81
  4. Step 4: Simplify right side
    7,852.98x = 78,121,805.79
  5. Step 5: Solve for x
    x = 78,121,805.79/7,852.98
  6. Step 6: Final answer
    x = 9,948.05

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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.