Home / 4,289.01-6,430.35-2,898.90

Finding the Fourth Proportional to 4,289.01, 6,430.35 and 2,898.90

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Solution

The fourth proportional to 4,289.01, 6,430.35 and 2,898.90 is: 4,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.01 : 6,430.35 = 2,898.90 : x
  2. Step 2: Convert to fraction form
    4,289.01/6,430.35 = 2,898.90/x
  3. Step 3: Cross multiply
    4,289.01x = 6,430.35 × 2,898.90
  4. Step 4: Simplify right side
    4,289.01x = 18,640,941.62
  5. Step 5: Solve for x
    x = 18,640,941.62/4,289.01
  6. Step 6: Final answer
    x = 4,346.21

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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.