Home / 6,256.40-8,633.64-3,603.78

Finding the Fourth Proportional to 6,256.40, 8,633.64 and 3,603.78

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Solution

The fourth proportional to 6,256.40, 8,633.64 and 3,603.78 is: 4,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,256.40 : 8,633.64 = 3,603.78 : x
  2. Step 2: Convert to fraction form
    6,256.40/8,633.64 = 3,603.78/x
  3. Step 3: Cross multiply
    6,256.40x = 8,633.64 × 3,603.78
  4. Step 4: Simplify right side
    6,256.40x = 31,113,739.16
  5. Step 5: Solve for x
    x = 31,113,739.16/6,256.40
  6. Step 6: Final answer
    x = 4,973.11

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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.