Home / 4,290.57-6,430.39-2,068.03

Finding the Fourth Proportional to 4,290.57, 6,430.39 and 2,068.03

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Solution

The fourth proportional to 4,290.57, 6,430.39 and 2,068.03 is: 3,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.57 : 6,430.39 = 2,068.03 : x
  2. Step 2: Convert to fraction form
    4,290.57/6,430.39 = 2,068.03/x
  3. Step 3: Cross multiply
    4,290.57x = 6,430.39 × 2,068.03
  4. Step 4: Simplify right side
    4,290.57x = 13,298,242.30
  5. Step 5: Solve for x
    x = 13,298,242.30/4,290.57
  6. Step 6: Final answer
    x = 3,099.41

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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.