Home / 6,417.25-8,855.95-3,584.47

Finding the Fourth Proportional to 6,417.25, 8,855.95 and 3,584.47

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Solution

The fourth proportional to 6,417.25, 8,855.95 and 3,584.47 is: 4,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.25 : 8,855.95 = 3,584.47 : x
  2. Step 2: Convert to fraction form
    6,417.25/8,855.95 = 3,584.47/x
  3. Step 3: Cross multiply
    6,417.25x = 8,855.95 × 3,584.47
  4. Step 4: Simplify right side
    6,417.25x = 31,743,887.10
  5. Step 5: Solve for x
    x = 31,743,887.10/6,417.25
  6. Step 6: Final answer
    x = 4,946.65

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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.