Home / 4,970.96-6,860.26-3,289.47

Finding the Fourth Proportional to 4,970.96, 6,860.26 and 3,289.47

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Solution

The fourth proportional to 4,970.96, 6,860.26 and 3,289.47 is: 4,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.96 : 6,860.26 = 3,289.47 : x
  2. Step 2: Convert to fraction form
    4,970.96/6,860.26 = 3,289.47/x
  3. Step 3: Cross multiply
    4,970.96x = 6,860.26 × 3,289.47
  4. Step 4: Simplify right side
    4,970.96x = 22,566,585.16
  5. Step 5: Solve for x
    x = 22,566,585.16/4,970.96
  6. Step 6: Final answer
    x = 4,539.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.