Home / 5,509.60-8,265.42-1,812.04

Finding the Fourth Proportional to 5,509.60, 8,265.42 and 1,812.04

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Solution

The fourth proportional to 5,509.60, 8,265.42 and 1,812.04 is: 2,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.60 : 8,265.42 = 1,812.04 : x
  2. Step 2: Convert to fraction form
    5,509.60/8,265.42 = 1,812.04/x
  3. Step 3: Cross multiply
    5,509.60x = 8,265.42 × 1,812.04
  4. Step 4: Simplify right side
    5,509.60x = 14,977,271.66
  5. Step 5: Solve for x
    x = 14,977,271.66/5,509.60
  6. Step 6: Final answer
    x = 2,718.40

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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.