Home / 4,430.20-6,645.31-4,159.56

Finding the Fourth Proportional to 4,430.20, 6,645.31 and 4,159.56

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Solution

The fourth proportional to 4,430.20, 6,645.31 and 4,159.56 is: 6,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.20 : 6,645.31 = 4,159.56 : x
  2. Step 2: Convert to fraction form
    4,430.20/6,645.31 = 4,159.56/x
  3. Step 3: Cross multiply
    4,430.20x = 6,645.31 × 4,159.56
  4. Step 4: Simplify right side
    4,430.20x = 27,641,565.66
  5. Step 5: Solve for x
    x = 27,641,565.66/4,430.20
  6. Step 6: Final answer
    x = 6,239.35

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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.