Home / 8,621.04-12,930.87-2,698.83

Finding the Fourth Proportional to 8,621.04, 12,930.87 and 2,698.83

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Solution

The fourth proportional to 8,621.04, 12,930.87 and 2,698.83 is: 4,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.04 : 12,930.87 = 2,698.83 : x
  2. Step 2: Convert to fraction form
    8,621.04/12,930.87 = 2,698.83/x
  3. Step 3: Cross multiply
    8,621.04x = 12,930.87 × 2,698.83
  4. Step 4: Simplify right side
    8,621.04x = 34,898,219.88
  5. Step 5: Solve for x
    x = 34,898,219.88/8,621.04
  6. Step 6: Final answer
    x = 4,048.03

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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.