Home / 9,435.80-14,145.32-4,749.68

Finding the Fourth Proportional to 9,435.80, 14,145.32 and 4,749.68

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Solution

The fourth proportional to 9,435.80, 14,145.32 and 4,749.68 is: 7,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.80 : 14,145.32 = 4,749.68 : x
  2. Step 2: Convert to fraction form
    9,435.80/14,145.32 = 4,749.68/x
  3. Step 3: Cross multiply
    9,435.80x = 14,145.32 × 4,749.68
  4. Step 4: Simplify right side
    9,435.80x = 67,185,743.50
  5. Step 5: Solve for x
    x = 67,185,743.50/9,435.80
  6. Step 6: Final answer
    x = 7,120.30

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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.