Home / 6,020.50-9,029.84-1,638.30

Finding the Fourth Proportional to 6,020.50, 9,029.84 and 1,638.30

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Solution

The fourth proportional to 6,020.50, 9,029.84 and 1,638.30 is: 2,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.50 : 9,029.84 = 1,638.30 : x
  2. Step 2: Convert to fraction form
    6,020.50/9,029.84 = 1,638.30/x
  3. Step 3: Cross multiply
    6,020.50x = 9,029.84 × 1,638.30
  4. Step 4: Simplify right side
    6,020.50x = 14,793,544.82
  5. Step 5: Solve for x
    x = 14,793,544.82/6,020.50
  6. Step 6: Final answer
    x = 2,457.20

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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.