Home / 5,533.72-8,300.68-1,638.23

Finding the Fourth Proportional to 5,533.72, 8,300.68 and 1,638.23

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Solution

The fourth proportional to 5,533.72, 8,300.68 and 1,638.23 is: 2,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.72 : 8,300.68 = 1,638.23 : x
  2. Step 2: Convert to fraction form
    5,533.72/8,300.68 = 1,638.23/x
  3. Step 3: Cross multiply
    5,533.72x = 8,300.68 × 1,638.23
  4. Step 4: Simplify right side
    5,533.72x = 13,598,377.40
  5. Step 5: Solve for x
    x = 13,598,377.40/5,533.72
  6. Step 6: Final answer
    x = 2,457.37

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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.