Home / 4,182.88-6,267.12-2,880.16

Finding the Fourth Proportional to 4,182.88, 6,267.12 and 2,880.16

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Solution

The fourth proportional to 4,182.88, 6,267.12 and 2,880.16 is: 4,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.88 : 6,267.12 = 2,880.16 : x
  2. Step 2: Convert to fraction form
    4,182.88/6,267.12 = 2,880.16/x
  3. Step 3: Cross multiply
    4,182.88x = 6,267.12 × 2,880.16
  4. Step 4: Simplify right side
    4,182.88x = 18,050,308.34
  5. Step 5: Solve for x
    x = 18,050,308.34/4,182.88
  6. Step 6: Final answer
    x = 4,315.28

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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.