Home / 6,293.40-8,685.12-3,605.04

Finding the Fourth Proportional to 6,293.40, 8,685.12 and 3,605.04

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Solution

The fourth proportional to 6,293.40, 8,685.12 and 3,605.04 is: 4,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.40 : 8,685.12 = 3,605.04 : x
  2. Step 2: Convert to fraction form
    6,293.40/8,685.12 = 3,605.04/x
  3. Step 3: Cross multiply
    6,293.40x = 8,685.12 × 3,605.04
  4. Step 4: Simplify right side
    6,293.40x = 31,310,218.52
  5. Step 5: Solve for x
    x = 31,310,218.52/6,293.40
  6. Step 6: Final answer
    x = 4,975.09

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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.