Home / 5,623.88-8,430.06-3,543.08

Finding the Fourth Proportional to 5,623.88, 8,430.06 and 3,543.08

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Solution

The fourth proportional to 5,623.88, 8,430.06 and 3,543.08 is: 5,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.88 : 8,430.06 = 3,543.08 : x
  2. Step 2: Convert to fraction form
    5,623.88/8,430.06 = 3,543.08/x
  3. Step 3: Cross multiply
    5,623.88x = 8,430.06 × 3,543.08
  4. Step 4: Simplify right side
    5,623.88x = 29,868,376.98
  5. Step 5: Solve for x
    x = 29,868,376.98/5,623.88
  6. Step 6: Final answer
    x = 5,310.99

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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.