Home / 5,461.70-8,193.45-1,764.86

Finding the Fourth Proportional to 5,461.70, 8,193.45 and 1,764.86

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Solution

The fourth proportional to 5,461.70, 8,193.45 and 1,764.86 is: 2,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.70 : 8,193.45 = 1,764.86 : x
  2. Step 2: Convert to fraction form
    5,461.70/8,193.45 = 1,764.86/x
  3. Step 3: Cross multiply
    5,461.70x = 8,193.45 × 1,764.86
  4. Step 4: Simplify right side
    5,461.70x = 14,460,292.17
  5. Step 5: Solve for x
    x = 14,460,292.17/5,461.70
  6. Step 6: Final answer
    x = 2,647.58

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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.