Home / 8,739.40-13,102.52-4,117

Finding the Fourth Proportional to 8,739.40, 13,102.52 and 4,117

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Solution

The fourth proportional to 8,739.40, 13,102.52 and 4,117 is: 6,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.40 : 13,102.52 = 4,117 : x
  2. Step 2: Convert to fraction form
    8,739.40/13,102.52 = 4,117/x
  3. Step 3: Cross multiply
    8,739.40x = 13,102.52 × 4,117
  4. Step 4: Simplify right side
    8,739.40x = 53,943,074.84
  5. Step 5: Solve for x
    x = 53,943,074.84/8,739.40
  6. Step 6: Final answer
    x = 6,172.40

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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.