Home / 4,386.97-6,580.14-1,425.34

Finding the Fourth Proportional to 4,386.97, 6,580.14 and 1,425.34

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Solution

The fourth proportional to 4,386.97, 6,580.14 and 1,425.34 is: 2,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.97 : 6,580.14 = 1,425.34 : x
  2. Step 2: Convert to fraction form
    4,386.97/6,580.14 = 1,425.34/x
  3. Step 3: Cross multiply
    4,386.97x = 6,580.14 × 1,425.34
  4. Step 4: Simplify right side
    4,386.97x = 9,378,936.75
  5. Step 5: Solve for x
    x = 9,378,936.75/4,386.97
  6. Step 6: Final answer
    x = 2,137.91

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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.