Home / 8,675.48-13,009.37-3,994.35

Finding the Fourth Proportional to 8,675.48, 13,009.37 and 3,994.35

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Solution

The fourth proportional to 8,675.48, 13,009.37 and 3,994.35 is: 5,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.48 : 13,009.37 = 3,994.35 : x
  2. Step 2: Convert to fraction form
    8,675.48/13,009.37 = 3,994.35/x
  3. Step 3: Cross multiply
    8,675.48x = 13,009.37 × 3,994.35
  4. Step 4: Simplify right side
    8,675.48x = 51,963,957.09
  5. Step 5: Solve for x
    x = 51,963,957.09/8,675.48
  6. Step 6: Final answer
    x = 5,989.75

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1.5x scale

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.