Home / 4,386.87-6,581.25-1,425.51

Finding the Fourth Proportional to 4,386.87, 6,581.25 and 1,425.51

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Solution

The fourth proportional to 4,386.87, 6,581.25 and 1,425.51 is: 2,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.87 : 6,581.25 = 1,425.51 : x
  2. Step 2: Convert to fraction form
    4,386.87/6,581.25 = 1,425.51/x
  3. Step 3: Cross multiply
    4,386.87x = 6,581.25 × 1,425.51
  4. Step 4: Simplify right side
    4,386.87x = 9,381,637.69
  5. Step 5: Solve for x
    x = 9,381,637.69/4,386.87
  6. Step 6: Final answer
    x = 2,138.57

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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.