Home / 4,212.71-6,314.36-1,577.68

Finding the Fourth Proportional to 4,212.71, 6,314.36 and 1,577.68

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Solution

The fourth proportional to 4,212.71, 6,314.36 and 1,577.68 is: 2,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.71 : 6,314.36 = 1,577.68 : x
  2. Step 2: Convert to fraction form
    4,212.71/6,314.36 = 1,577.68/x
  3. Step 3: Cross multiply
    4,212.71x = 6,314.36 × 1,577.68
  4. Step 4: Simplify right side
    4,212.71x = 9,962,015.81
  5. Step 5: Solve for x
    x = 9,962,015.81/4,212.71
  6. Step 6: Final answer
    x = 2,364.75

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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.