Home / 9,708.40-14,562.90-3,135.25

Finding the Fourth Proportional to 9,708.40, 14,562.90 and 3,135.25

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Solution

The fourth proportional to 9,708.40, 14,562.90 and 3,135.25 is: 4,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.40 : 14,562.90 = 3,135.25 : x
  2. Step 2: Convert to fraction form
    9,708.40/14,562.90 = 3,135.25/x
  3. Step 3: Cross multiply
    9,708.40x = 14,562.90 × 3,135.25
  4. Step 4: Simplify right side
    9,708.40x = 45,658,332.23
  5. Step 5: Solve for x
    x = 45,658,332.23/9,708.40
  6. Step 6: Final answer
    x = 4,702.97

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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.