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Finding the Fourth Proportional to 4,020.57, 6,030.90 and 1,098.90

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Solution

The fourth proportional to 4,020.57, 6,030.90 and 1,098.90 is: 1,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.57 : 6,030.90 = 1,098.90 : x
  2. Step 2: Convert to fraction form
    4,020.57/6,030.90 = 1,098.90/x
  3. Step 3: Cross multiply
    4,020.57x = 6,030.90 × 1,098.90
  4. Step 4: Simplify right side
    4,020.57x = 6,627,356.01
  5. Step 5: Solve for x
    x = 6,627,356.01/4,020.57
  6. Step 6: Final answer
    x = 1,648.36

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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.