Home / 4,210.88-6,312.85-3,168.85

Finding the Fourth Proportional to 4,210.88, 6,312.85 and 3,168.85

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Solution

The fourth proportional to 4,210.88, 6,312.85 and 3,168.85 is: 4,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.88 : 6,312.85 = 3,168.85 : x
  2. Step 2: Convert to fraction form
    4,210.88/6,312.85 = 3,168.85/x
  3. Step 3: Cross multiply
    4,210.88x = 6,312.85 × 3,168.85
  4. Step 4: Simplify right side
    4,210.88x = 20,004,443.16
  5. Step 5: Solve for x
    x = 20,004,443.16/4,210.88
  6. Step 6: Final answer
    x = 4,750.66

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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.