Home / 4,210.94-6,317.43-2,980.76

Finding the Fourth Proportional to 4,210.94, 6,317.43 and 2,980.76

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Solution

The fourth proportional to 4,210.94, 6,317.43 and 2,980.76 is: 4,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.94 : 6,317.43 = 2,980.76 : x
  2. Step 2: Convert to fraction form
    4,210.94/6,317.43 = 2,980.76/x
  3. Step 3: Cross multiply
    4,210.94x = 6,317.43 × 2,980.76
  4. Step 4: Simplify right side
    4,210.94x = 18,830,742.65
  5. Step 5: Solve for x
    x = 18,830,742.65/4,210.94
  6. Step 6: Final answer
    x = 4,471.86

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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.