Home / 6,258.22-8,636.25-3,605.65

Finding the Fourth Proportional to 6,258.22, 8,636.25 and 3,605.65

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Solution

The fourth proportional to 6,258.22, 8,636.25 and 3,605.65 is: 4,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.22 : 8,636.25 = 3,605.65 : x
  2. Step 2: Convert to fraction form
    6,258.22/8,636.25 = 3,605.65/x
  3. Step 3: Cross multiply
    6,258.22x = 8,636.25 × 3,605.65
  4. Step 4: Simplify right side
    6,258.22x = 31,139,294.81
  5. Step 5: Solve for x
    x = 31,139,294.81/6,258.22
  6. Step 6: Final answer
    x = 4,975.74

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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.