Home / 4,639.96-6,918.56-4,124.80

Finding the Fourth Proportional to 4,639.96, 6,918.56 and 4,124.80

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Solution

The fourth proportional to 4,639.96, 6,918.56 and 4,124.80 is: 6,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.96 : 6,918.56 = 4,124.80 : x
  2. Step 2: Convert to fraction form
    4,639.96/6,918.56 = 4,124.80/x
  3. Step 3: Cross multiply
    4,639.96x = 6,918.56 × 4,124.80
  4. Step 4: Simplify right side
    4,639.96x = 28,537,676.29
  5. Step 5: Solve for x
    x = 28,537,676.29/4,639.96
  6. Step 6: Final answer
    x = 6,150.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.