Home / 8,621.34-12,934.04-2,777.74

Finding the Fourth Proportional to 8,621.34, 12,934.04 and 2,777.74

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Solution

The fourth proportional to 8,621.34, 12,934.04 and 2,777.74 is: 4,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.34 : 12,934.04 = 2,777.74 : x
  2. Step 2: Convert to fraction form
    8,621.34/12,934.04 = 2,777.74/x
  3. Step 3: Cross multiply
    8,621.34x = 12,934.04 × 2,777.74
  4. Step 4: Simplify right side
    8,621.34x = 35,927,400.27
  5. Step 5: Solve for x
    x = 35,927,400.27/8,621.34
  6. Step 6: Final answer
    x = 4,167.26

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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.