Home / 4,415.17-6,618.67-1,914.79

Finding the Fourth Proportional to 4,415.17, 6,618.67 and 1,914.79

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Solution

The fourth proportional to 4,415.17, 6,618.67 and 1,914.79 is: 2,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.17 : 6,618.67 = 1,914.79 : x
  2. Step 2: Convert to fraction form
    4,415.17/6,618.67 = 1,914.79/x
  3. Step 3: Cross multiply
    4,415.17x = 6,618.67 × 1,914.79
  4. Step 4: Simplify right side
    4,415.17x = 12,673,363.13
  5. Step 5: Solve for x
    x = 12,673,363.13/4,415.17
  6. Step 6: Final answer
    x = 2,870.41

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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.