Home / 5,620.12-8,430.06-1,724.44

Finding the Fourth Proportional to 5,620.12, 8,430.06 and 1,724.44

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Solution

The fourth proportional to 5,620.12, 8,430.06 and 1,724.44 is: 2,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.12 : 8,430.06 = 1,724.44 : x
  2. Step 2: Convert to fraction form
    5,620.12/8,430.06 = 1,724.44/x
  3. Step 3: Cross multiply
    5,620.12x = 8,430.06 × 1,724.44
  4. Step 4: Simplify right side
    5,620.12x = 14,537,132.67
  5. Step 5: Solve for x
    x = 14,537,132.67/5,620.12
  6. Step 6: Final answer
    x = 2,586.62

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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.