Home / 6,258.24-8,636.80-3,606.40

Finding the Fourth Proportional to 6,258.24, 8,636.80 and 3,606.40

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Solution

The fourth proportional to 6,258.24, 8,636.80 and 3,606.40 is: 4,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.24 : 8,636.80 = 3,606.40 : x
  2. Step 2: Convert to fraction form
    6,258.24/8,636.80 = 3,606.40/x
  3. Step 3: Cross multiply
    6,258.24x = 8,636.80 × 3,606.40
  4. Step 4: Simplify right side
    6,258.24x = 31,147,755.52
  5. Step 5: Solve for x
    x = 31,147,755.52/6,258.24
  6. Step 6: Final answer
    x = 4,977.08

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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.