Home / 5,623.06-8,437.80-2,290.60

Finding the Fourth Proportional to 5,623.06, 8,437.80 and 2,290.60

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Solution

The fourth proportional to 5,623.06, 8,437.80 and 2,290.60 is: 3,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.06 : 8,437.80 = 2,290.60 : x
  2. Step 2: Convert to fraction form
    5,623.06/8,437.80 = 2,290.60/x
  3. Step 3: Cross multiply
    5,623.06x = 8,437.80 × 2,290.60
  4. Step 4: Simplify right side
    5,623.06x = 19,327,624.68
  5. Step 5: Solve for x
    x = 19,327,624.68/5,623.06
  6. Step 6: Final answer
    x = 3,437.21

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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.