Home / 4,950.76-7,429.36-1,872.76

Finding the Fourth Proportional to 4,950.76, 7,429.36 and 1,872.76

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Solution

The fourth proportional to 4,950.76, 7,429.36 and 1,872.76 is: 2,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.76 : 7,429.36 = 1,872.76 : x
  2. Step 2: Convert to fraction form
    4,950.76/7,429.36 = 1,872.76/x
  3. Step 3: Cross multiply
    4,950.76x = 7,429.36 × 1,872.76
  4. Step 4: Simplify right side
    4,950.76x = 13,913,408.23
  5. Step 5: Solve for x
    x = 13,913,408.23/4,950.76
  6. Step 6: Final answer
    x = 2,810.36

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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.