Home / 4,179.99-6,271.31-2,515.98

Finding the Fourth Proportional to 4,179.99, 6,271.31 and 2,515.98

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Solution

The fourth proportional to 4,179.99, 6,271.31 and 2,515.98 is: 3,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.99 : 6,271.31 = 2,515.98 : x
  2. Step 2: Convert to fraction form
    4,179.99/6,271.31 = 2,515.98/x
  3. Step 3: Cross multiply
    4,179.99x = 6,271.31 × 2,515.98
  4. Step 4: Simplify right side
    4,179.99x = 15,778,490.53
  5. Step 5: Solve for x
    x = 15,778,490.53/4,179.99
  6. Step 6: Final answer
    x = 3,774.77

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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.