Home / 4,638.30-6,957.81-1,518.77

Finding the Fourth Proportional to 4,638.30, 6,957.81 and 1,518.77

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Solution

The fourth proportional to 4,638.30, 6,957.81 and 1,518.77 is: 2,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.30 : 6,957.81 = 1,518.77 : x
  2. Step 2: Convert to fraction form
    4,638.30/6,957.81 = 1,518.77/x
  3. Step 3: Cross multiply
    4,638.30x = 6,957.81 × 1,518.77
  4. Step 4: Simplify right side
    4,638.30x = 10,567,278.30
  5. Step 5: Solve for x
    x = 10,567,278.30/4,638.30
  6. Step 6: Final answer
    x = 2,278.27

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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.