Home / 4,210.08-6,315.12-4,203.96

Finding the Fourth Proportional to 4,210.08, 6,315.12 and 4,203.96

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Solution

The fourth proportional to 4,210.08, 6,315.12 and 4,203.96 is: 6,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.08 : 6,315.12 = 4,203.96 : x
  2. Step 2: Convert to fraction form
    4,210.08/6,315.12 = 4,203.96/x
  3. Step 3: Cross multiply
    4,210.08x = 6,315.12 × 4,203.96
  4. Step 4: Simplify right side
    4,210.08x = 26,548,511.88
  5. Step 5: Solve for x
    x = 26,548,511.88/4,210.08
  6. Step 6: Final answer
    x = 6,305.94

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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.