Home / 5,533.79-8,302.29-1,638.29

Finding the Fourth Proportional to 5,533.79, 8,302.29 and 1,638.29

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Solution

The fourth proportional to 5,533.79, 8,302.29 and 1,638.29 is: 2,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.79 : 8,302.29 = 1,638.29 : x
  2. Step 2: Convert to fraction form
    5,533.79/8,302.29 = 1,638.29/x
  3. Step 3: Cross multiply
    5,533.79x = 8,302.29 × 1,638.29
  4. Step 4: Simplify right side
    5,533.79x = 13,601,517.17
  5. Step 5: Solve for x
    x = 13,601,517.17/5,533.79
  6. Step 6: Final answer
    x = 2,457.90

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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.