Home / 8,988.56-13,485.57-4,056.87

Finding the Fourth Proportional to 8,988.56, 13,485.57 and 4,056.87

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Solution

The fourth proportional to 8,988.56, 13,485.57 and 4,056.87 is: 6,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.56 : 13,485.57 = 4,056.87 : x
  2. Step 2: Convert to fraction form
    8,988.56/13,485.57 = 4,056.87/x
  3. Step 3: Cross multiply
    8,988.56x = 13,485.57 × 4,056.87
  4. Step 4: Simplify right side
    8,988.56x = 54,709,204.37
  5. Step 5: Solve for x
    x = 54,709,204.37/8,988.56
  6. Step 6: Final answer
    x = 6,086.54

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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.