Home / 8,739.90-13,111.74-4,056.48

Finding the Fourth Proportional to 8,739.90, 13,111.74 and 4,056.48

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Solution

The fourth proportional to 8,739.90, 13,111.74 and 4,056.48 is: 6,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.90 : 13,111.74 = 4,056.48 : x
  2. Step 2: Convert to fraction form
    8,739.90/13,111.74 = 4,056.48/x
  3. Step 3: Cross multiply
    8,739.90x = 13,111.74 × 4,056.48
  4. Step 4: Simplify right side
    8,739.90x = 53,187,511.08
  5. Step 5: Solve for x
    x = 53,187,511.08/8,739.90
  6. Step 6: Final answer
    x = 6,085.60

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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.