Home / 4,756.44-7,133.67-2,780.76

Finding the Fourth Proportional to 4,756.44, 7,133.67 and 2,780.76

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Solution

The fourth proportional to 4,756.44, 7,133.67 and 2,780.76 is: 4,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.44 : 7,133.67 = 2,780.76 : x
  2. Step 2: Convert to fraction form
    4,756.44/7,133.67 = 2,780.76/x
  3. Step 3: Cross multiply
    4,756.44x = 7,133.67 × 2,780.76
  4. Step 4: Simplify right side
    4,756.44x = 19,837,024.19
  5. Step 5: Solve for x
    x = 19,837,024.19/4,756.44
  6. Step 6: Final answer
    x = 4,170.56

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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.