Home / 4,210.16-6,312.20-2,020.40

Finding the Fourth Proportional to 4,210.16, 6,312.20 and 2,020.40

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Solution

The fourth proportional to 4,210.16, 6,312.20 and 2,020.40 is: 3,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.16 : 6,312.20 = 2,020.40 : x
  2. Step 2: Convert to fraction form
    4,210.16/6,312.20 = 2,020.40/x
  3. Step 3: Cross multiply
    4,210.16x = 6,312.20 × 2,020.40
  4. Step 4: Simplify right side
    4,210.16x = 12,753,168.88
  5. Step 5: Solve for x
    x = 12,753,168.88/4,210.16
  6. Step 6: Final answer
    x = 3,029.14

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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.