Home / 8,281.21-12,417.72-3,014.98

Finding the Fourth Proportional to 8,281.21, 12,417.72 and 3,014.98

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Solution

The fourth proportional to 8,281.21, 12,417.72 and 3,014.98 is: 4,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.21 : 12,417.72 = 3,014.98 : x
  2. Step 2: Convert to fraction form
    8,281.21/12,417.72 = 3,014.98/x
  3. Step 3: Cross multiply
    8,281.21x = 12,417.72 × 3,014.98
  4. Step 4: Simplify right side
    8,281.21x = 37,439,226.65
  5. Step 5: Solve for x
    x = 37,439,226.65/8,281.21
  6. Step 6: Final answer
    x = 4,520.98

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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.