Home / 4,588.72-6,880.20-3,123.40

Finding the Fourth Proportional to 4,588.72, 6,880.20 and 3,123.40

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Solution

The fourth proportional to 4,588.72, 6,880.20 and 3,123.40 is: 4,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.72 : 6,880.20 = 3,123.40 : x
  2. Step 2: Convert to fraction form
    4,588.72/6,880.20 = 3,123.40/x
  3. Step 3: Cross multiply
    4,588.72x = 6,880.20 × 3,123.40
  4. Step 4: Simplify right side
    4,588.72x = 21,489,616.68
  5. Step 5: Solve for x
    x = 21,489,616.68/4,588.72
  6. Step 6: Final answer
    x = 4,683.14

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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.