Home / 5,360.90-8,038.46-1,661.54

Finding the Fourth Proportional to 5,360.90, 8,038.46 and 1,661.54

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Solution

The fourth proportional to 5,360.90, 8,038.46 and 1,661.54 is: 2,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.90 : 8,038.46 = 1,661.54 : x
  2. Step 2: Convert to fraction form
    5,360.90/8,038.46 = 1,661.54/x
  3. Step 3: Cross multiply
    5,360.90x = 8,038.46 × 1,661.54
  4. Step 4: Simplify right side
    5,360.90x = 13,356,222.83
  5. Step 5: Solve for x
    x = 13,356,222.83/5,360.90
  6. Step 6: Final answer
    x = 2,491.41

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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.