Home / 4,386.12-6,580.06-1,425.32

Finding the Fourth Proportional to 4,386.12, 6,580.06 and 1,425.32

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Solution

The fourth proportional to 4,386.12, 6,580.06 and 1,425.32 is: 2,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.12 : 6,580.06 = 1,425.32 : x
  2. Step 2: Convert to fraction form
    4,386.12/6,580.06 = 1,425.32/x
  3. Step 3: Cross multiply
    4,386.12x = 6,580.06 × 1,425.32
  4. Step 4: Simplify right side
    4,386.12x = 9,378,667.54
  5. Step 5: Solve for x
    x = 9,378,667.54/4,386.12
  6. Step 6: Final answer
    x = 2,138.26

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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.