Home / 4,638.72-6,957.32-1,518.68

Finding the Fourth Proportional to 4,638.72, 6,957.32 and 1,518.68

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Solution

The fourth proportional to 4,638.72, 6,957.32 and 1,518.68 is: 2,277.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.72 : 6,957.32 = 1,518.68 : x
  2. Step 2: Convert to fraction form
    4,638.72/6,957.32 = 1,518.68/x
  3. Step 3: Cross multiply
    4,638.72x = 6,957.32 × 1,518.68
  4. Step 4: Simplify right side
    4,638.72x = 10,565,942.74
  5. Step 5: Solve for x
    x = 10,565,942.74/4,638.72
  6. Step 6: Final answer
    x = 2,277.77

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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.