Home / 6,230.20-9,345.12-2,070.40

Finding the Fourth Proportional to 6,230.20, 9,345.12 and 2,070.40

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Solution

The fourth proportional to 6,230.20, 9,345.12 and 2,070.40 is: 3,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,230.20 : 9,345.12 = 2,070.40 : x
  2. Step 2: Convert to fraction form
    6,230.20/9,345.12 = 2,070.40/x
  3. Step 3: Cross multiply
    6,230.20x = 9,345.12 × 2,070.40
  4. Step 4: Simplify right side
    6,230.20x = 19,348,136.45
  5. Step 5: Solve for x
    x = 19,348,136.45/6,230.20
  6. Step 6: Final answer
    x = 3,105.54

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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.