Home / 4,758.08-7,132.19-1,986.35

Finding the Fourth Proportional to 4,758.08, 7,132.19 and 1,986.35

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Solution

The fourth proportional to 4,758.08, 7,132.19 and 1,986.35 is: 2,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.08 : 7,132.19 = 1,986.35 : x
  2. Step 2: Convert to fraction form
    4,758.08/7,132.19 = 1,986.35/x
  3. Step 3: Cross multiply
    4,758.08x = 7,132.19 × 1,986.35
  4. Step 4: Simplify right side
    4,758.08x = 14,166,980.01
  5. Step 5: Solve for x
    x = 14,166,980.01/4,758.08
  6. Step 6: Final answer
    x = 2,977.46

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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.