Home / 7,770.48-11,649.16-3,087.52

Finding the Fourth Proportional to 7,770.48, 11,649.16 and 3,087.52

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Solution

The fourth proportional to 7,770.48, 11,649.16 and 3,087.52 is: 4,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.48 : 11,649.16 = 3,087.52 : x
  2. Step 2: Convert to fraction form
    7,770.48/11,649.16 = 3,087.52/x
  3. Step 3: Cross multiply
    7,770.48x = 11,649.16 × 3,087.52
  4. Step 4: Simplify right side
    7,770.48x = 35,967,014.48
  5. Step 5: Solve for x
    x = 35,967,014.48/7,770.48
  6. Step 6: Final answer
    x = 4,628.67

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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.