Home / 6,450.38-8,903.42-4,212.60

Finding the Fourth Proportional to 6,450.38, 8,903.42 and 4,212.60

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Solution

The fourth proportional to 6,450.38, 8,903.42 and 4,212.60 is: 5,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.38 : 8,903.42 = 4,212.60 : x
  2. Step 2: Convert to fraction form
    6,450.38/8,903.42 = 4,212.60/x
  3. Step 3: Cross multiply
    6,450.38x = 8,903.42 × 4,212.60
  4. Step 4: Simplify right side
    6,450.38x = 37,506,547.09
  5. Step 5: Solve for x
    x = 37,506,547.09/6,450.38
  6. Step 6: Final answer
    x = 5,814.63

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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.