Home / 8,603.36-12,908.96-5,100.28

Finding the Fourth Proportional to 8,603.36, 12,908.96 and 5,100.28

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Solution

The fourth proportional to 8,603.36, 12,908.96 and 5,100.28 is: 7,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.36 : 12,908.96 = 5,100.28 : x
  2. Step 2: Convert to fraction form
    8,603.36/12,908.96 = 5,100.28/x
  3. Step 3: Cross multiply
    8,603.36x = 12,908.96 × 5,100.28
  4. Step 4: Simplify right side
    8,603.36x = 65,839,310.51
  5. Step 5: Solve for x
    x = 65,839,310.51/8,603.36
  6. Step 6: Final answer
    x = 7,652.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.