Home / 4,678.66-6,453.75-3,418.18

Finding the Fourth Proportional to 4,678.66, 6,453.75 and 3,418.18

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Solution

The fourth proportional to 4,678.66, 6,453.75 and 3,418.18 is: 4,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.66 : 6,453.75 = 3,418.18 : x
  2. Step 2: Convert to fraction form
    4,678.66/6,453.75 = 3,418.18/x
  3. Step 3: Cross multiply
    4,678.66x = 6,453.75 × 3,418.18
  4. Step 4: Simplify right side
    4,678.66x = 22,060,079.18
  5. Step 5: Solve for x
    x = 22,060,079.18/4,678.66
  6. Step 6: Final answer
    x = 4,715.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.