Home / 6,284.80-8,672.88-3,490.30

Finding the Fourth Proportional to 6,284.80, 8,672.88 and 3,490.30

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Solution

The fourth proportional to 6,284.80, 8,672.88 and 3,490.30 is: 4,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.80 : 8,672.88 = 3,490.30 : x
  2. Step 2: Convert to fraction form
    6,284.80/8,672.88 = 3,490.30/x
  3. Step 3: Cross multiply
    6,284.80x = 8,672.88 × 3,490.30
  4. Step 4: Simplify right side
    6,284.80x = 30,270,953.06
  5. Step 5: Solve for x
    x = 30,270,953.06/6,284.80
  6. Step 6: Final answer
    x = 4,816.53

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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.