Home / 5,620.34-8,430.73-2,110.01

Finding the Fourth Proportional to 5,620.34, 8,430.73 and 2,110.01

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Solution

The fourth proportional to 5,620.34, 8,430.73 and 2,110.01 is: 3,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.34 : 8,430.73 = 2,110.01 : x
  2. Step 2: Convert to fraction form
    5,620.34/8,430.73 = 2,110.01/x
  3. Step 3: Cross multiply
    5,620.34x = 8,430.73 × 2,110.01
  4. Step 4: Simplify right side
    5,620.34x = 17,788,877.18
  5. Step 5: Solve for x
    x = 17,788,877.18/5,620.34
  6. Step 6: Final answer
    x = 3,165.09

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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.