Home / 5,673.60-8,510.40-2,757.60

Finding the Fourth Proportional to 5,673.60, 8,510.40 and 2,757.60

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Solution

The fourth proportional to 5,673.60, 8,510.40 and 2,757.60 is: 4,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.60 : 8,510.40 = 2,757.60 : x
  2. Step 2: Convert to fraction form
    5,673.60/8,510.40 = 2,757.60/x
  3. Step 3: Cross multiply
    5,673.60x = 8,510.40 × 2,757.60
  4. Step 4: Simplify right side
    5,673.60x = 23,468,279.04
  5. Step 5: Solve for x
    x = 23,468,279.04/5,673.60
  6. Step 6: Final answer
    x = 4,136.40

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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.