Home / 5,359.72-8,039.96-1,661.47

Finding the Fourth Proportional to 5,359.72, 8,039.96 and 1,661.47

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Solution

The fourth proportional to 5,359.72, 8,039.96 and 1,661.47 is: 2,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.72 : 8,039.96 = 1,661.47 : x
  2. Step 2: Convert to fraction form
    5,359.72/8,039.96 = 1,661.47/x
  3. Step 3: Cross multiply
    5,359.72x = 8,039.96 × 1,661.47
  4. Step 4: Simplify right side
    5,359.72x = 13,358,152.34
  5. Step 5: Solve for x
    x = 13,358,152.34/5,359.72
  6. Step 6: Final answer
    x = 2,492.32

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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.