Home / 8,124.09-11,208.88-5,101.71

Finding the Fourth Proportional to 8,124.09, 11,208.88 and 5,101.71

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Solution

The fourth proportional to 8,124.09, 11,208.88 and 5,101.71 is: 7,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.09 : 11,208.88 = 5,101.71 : x
  2. Step 2: Convert to fraction form
    8,124.09/11,208.88 = 5,101.71/x
  3. Step 3: Cross multiply
    8,124.09x = 11,208.88 × 5,101.71
  4. Step 4: Simplify right side
    8,124.09x = 57,184,455.18
  5. Step 5: Solve for x
    x = 57,184,455.18/8,124.09
  6. Step 6: Final answer
    x = 7,038.88

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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.