Home / 4,588.56-6,885.24-1,991.64

Finding the Fourth Proportional to 4,588.56, 6,885.24 and 1,991.64

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Solution

The fourth proportional to 4,588.56, 6,885.24 and 1,991.64 is: 2,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.56 : 6,885.24 = 1,991.64 : x
  2. Step 2: Convert to fraction form
    4,588.56/6,885.24 = 1,991.64/x
  3. Step 3: Cross multiply
    4,588.56x = 6,885.24 × 1,991.64
  4. Step 4: Simplify right side
    4,588.56x = 13,712,919.39
  5. Step 5: Solve for x
    x = 13,712,919.39/4,588.56
  6. Step 6: Final answer
    x = 2,988.50

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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.