Home / 5,625.90-8,430.98-2,663.20

Finding the Fourth Proportional to 5,625.90, 8,430.98 and 2,663.20

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Solution

The fourth proportional to 5,625.90, 8,430.98 and 2,663.20 is: 3,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.90 : 8,430.98 = 2,663.20 : x
  2. Step 2: Convert to fraction form
    5,625.90/8,430.98 = 2,663.20/x
  3. Step 3: Cross multiply
    5,625.90x = 8,430.98 × 2,663.20
  4. Step 4: Simplify right side
    5,625.90x = 22,453,385.94
  5. Step 5: Solve for x
    x = 22,453,385.94/5,625.90
  6. Step 6: Final answer
    x = 3,991.07

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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.