Home / 5,077.58-7,614.90-1,788.84

Finding the Fourth Proportional to 5,077.58, 7,614.90 and 1,788.84

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Solution

The fourth proportional to 5,077.58, 7,614.90 and 1,788.84 is: 2,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.58 : 7,614.90 = 1,788.84 : x
  2. Step 2: Convert to fraction form
    5,077.58/7,614.90 = 1,788.84/x
  3. Step 3: Cross multiply
    5,077.58x = 7,614.90 × 1,788.84
  4. Step 4: Simplify right side
    5,077.58x = 13,621,837.72
  5. Step 5: Solve for x
    x = 13,621,837.72/5,077.58
  6. Step 6: Final answer
    x = 2,682.74

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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.