Home / 6,417.36-9,627.39-3,125.79

Finding the Fourth Proportional to 6,417.36, 9,627.39 and 3,125.79

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Solution

The fourth proportional to 6,417.36, 9,627.39 and 3,125.79 is: 4,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.36 : 9,627.39 = 3,125.79 : x
  2. Step 2: Convert to fraction form
    6,417.36/9,627.39 = 3,125.79/x
  3. Step 3: Cross multiply
    6,417.36x = 9,627.39 × 3,125.79
  4. Step 4: Simplify right side
    6,417.36x = 30,093,199.39
  5. Step 5: Solve for x
    x = 30,093,199.39/6,417.36
  6. Step 6: Final answer
    x = 4,689.34

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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.