Home / 7,714.45-10,645.94-4,177.67

Finding the Fourth Proportional to 7,714.45, 10,645.94 and 4,177.67

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Solution

The fourth proportional to 7,714.45, 10,645.94 and 4,177.67 is: 5,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.45 : 10,645.94 = 4,177.67 : x
  2. Step 2: Convert to fraction form
    7,714.45/10,645.94 = 4,177.67/x
  3. Step 3: Cross multiply
    7,714.45x = 10,645.94 × 4,177.67
  4. Step 4: Simplify right side
    7,714.45x = 44,475,261.22
  5. Step 5: Solve for x
    x = 44,475,261.22/7,714.45
  6. Step 6: Final answer
    x = 5,765.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.