Home / 4,356.55-6,012.99-2,679.40

Finding the Fourth Proportional to 4,356.55, 6,012.99 and 2,679.40

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Solution

The fourth proportional to 4,356.55, 6,012.99 and 2,679.40 is: 3,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.55 : 6,012.99 = 2,679.40 : x
  2. Step 2: Convert to fraction form
    4,356.55/6,012.99 = 2,679.40/x
  3. Step 3: Cross multiply
    4,356.55x = 6,012.99 × 2,679.40
  4. Step 4: Simplify right side
    4,356.55x = 16,111,205.41
  5. Step 5: Solve for x
    x = 16,111,205.41/4,356.55
  6. Step 6: Final answer
    x = 3,698.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.