Home / 4,812.42-7,218.63-1,349.58

Finding the Fourth Proportional to 4,812.42, 7,218.63 and 1,349.58

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Solution

The fourth proportional to 4,812.42, 7,218.63 and 1,349.58 is: 2,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.42 : 7,218.63 = 1,349.58 : x
  2. Step 2: Convert to fraction form
    4,812.42/7,218.63 = 1,349.58/x
  3. Step 3: Cross multiply
    4,812.42x = 7,218.63 × 1,349.58
  4. Step 4: Simplify right side
    4,812.42x = 9,742,118.68
  5. Step 5: Solve for x
    x = 9,742,118.68/4,812.42
  6. Step 6: Final answer
    x = 2,024.37

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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.