Home / 4,186.50-6,280.76-2,956.30

Finding the Fourth Proportional to 4,186.50, 6,280.76 and 2,956.30

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Solution

The fourth proportional to 4,186.50, 6,280.76 and 2,956.30 is: 4,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.50 : 6,280.76 = 2,956.30 : x
  2. Step 2: Convert to fraction form
    4,186.50/6,280.76 = 2,956.30/x
  3. Step 3: Cross multiply
    4,186.50x = 6,280.76 × 2,956.30
  4. Step 4: Simplify right side
    4,186.50x = 18,567,810.79
  5. Step 5: Solve for x
    x = 18,567,810.79/4,186.50
  6. Step 6: Final answer
    x = 4,435.16

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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.