Home / 5,461.63-8,190.36-1,763.30

Finding the Fourth Proportional to 5,461.63, 8,190.36 and 1,763.30

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Solution

The fourth proportional to 5,461.63, 8,190.36 and 1,763.30 is: 2,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.63 : 8,190.36 = 1,763.30 : x
  2. Step 2: Convert to fraction form
    5,461.63/8,190.36 = 1,763.30/x
  3. Step 3: Cross multiply
    5,461.63x = 8,190.36 × 1,763.30
  4. Step 4: Simplify right side
    5,461.63x = 14,442,061.79
  5. Step 5: Solve for x
    x = 14,442,061.79/5,461.63
  6. Step 6: Final answer
    x = 2,644.28

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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.